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(2) The service information allows flight Kansas City, Missouri 64106. For information ACTION: Final rule. with known cracks provided they do not on the availability of this material at the exceed a certain limit. FAA policy does not FAA, call 816–329–4148. SUMMARY: We are superseding an allow flight with cracks in primary structure. existing airworthiness directive (AD) for Material Incorporated by Reference Since the fuselage is considered primary the products listed above. AD 2009–09– structure, we are mandating repair before (h) You must use RUAG Alert Service 09 currently requires repetitive further flight after any crack is found. Bulletin No. ASB–228–266, dated December inspections of the rudder hinges and the 1, 2006; and Dornier 228 Time Limits/ Other FAA AD Provisions Maintenance Checks Manual, Temporary rudder hinge brackets for damage, i.e., cracking, deformation, and (h) The following provisions also apply to Revision No. 05–27, dated August 4, 2008, to this AD: do the actions required by this AD, unless the discoloration. If damage is found during (1) Alternative Methods of Compliance AD specifies otherwise. any inspection, AD 2009–09–09 also (AMOCs): The Manager, Standards Office, (1) The Director of the Federal Register requires replacing the damaged rudder FAA, has the authority to approve AMOCs approved the incorporation by reference of hinge and/or rudder hinge bracket. This for this AD, if requested using the procedures Dornier 228 Time Limits/Maintenance new AD retains the inspection found in 14 CFR 39.19. Send information to Checks Manual, Temporary Revision No. 05– requirements of AD 2009–09–09, adds Attn: Greg Davison, Aerospace Engineer, 27, dated August 4, 2008, under 5 U.S.C. airplanes to the Applicability section, FAA, Small Airplane Directorate, 901 Locust, 552(a) and 1 CFR part 51. (2) On June 26, 2007 (72 FR 28591, May and adds a terminating action for the Room 301, Kansas City, Missouri 64106; repetitive inspection requirements. This telephone: (816) 329–4130; fax: (816) 329– 22, 2007), the Director of the Federal Register 4090. Before using any approved AMOC on previously approved the incorporation by AD resulted from the manufacturer any airplane to which the AMOC applies, reference of RUAG Alert Service Bulletin No. developing a modification that notify your appropriate principal inspector ASB–228–266, dated December 1, 2006. terminates the repetitive inspections (PI) in the FAA Flight Standards District (3) For service information identified in and from the manufacture adding Office (FSDO), or lacking a PI, your local this AD, contact RUAG Aerospace Services airplane serial numbers into the FSDO. GmbH, Dornier 228 Customer Support, P.O. Applicability section. We are issuing Box 1253, 82231 Wessling, Germany; (2) Airworthy Product: For any requirement this AD to detect and correct damage in in this AD to obtain corrective actions from telephone: + 49 (0) 8153–302280; fax: + 49 (0) 8153–303030. the rudder hinges and the rudder hinge a manufacturer or other source, use these brackets, which could result in failure of actions if they are FAA-approved. Corrective (4) You may review copies of the actions are considered FAA-approved if they referenced service information at the FAA, the rudder. This failure could lead to are approved by the State of Design Authority Small Airplane Directorate, 901 Locust, loss of control. (or their delegated agent). You are required Kansas City, Missouri 64106. For information DATES: This AD is effective March 14, to assure the product is airworthy before it on the availability of this material at the 2011. is returned to service. FAA, call 816–329–4148. The Director of the Federal Register (3) Reporting Requirements: For any (5) You may also review copies of the approved the incorporation by reference service information incorporated by reference reporting requirement in this AD, a federal of certain publications listed in the AD agency may not conduct or sponsor, and a for this AD at the National Archives and Records Administration (NARA). For as of March 14, 2011. person is not required to respond to, nor The Director of the Federal Register shall a person be subject to a penalty for information on the availability of this material at NARA, call (202) 741–6030, or go approved the incorporation by reference failure to comply with a collection of to: http://www.archives.gov/federal_register/ information subject to the requirements of of a certain publication listed in this AD code_of_federal_regulations/ the Paperwork Reduction Act unless that as of May 11, 2009 (74 FR 19873, April ibr_locations.html. collection of information displays a current 30, 2009). valid OMB Control Number. The OMB Issued in Kansas City, Missouri, on January ADDRESSES: For service information Control Number for this information 25, 2011. identified in this AD, contact collection is 2120–0056. Public reporting for John Colomy, Company, Product Support, this collection of information is estimated to Acting Manager, Small Airplane Directorate, P.O. Box 7706; Wichita, Kansas 67277; be approximately 5 minutes per response, Aircraft Certification Service. telephone: (316) 517–5800; fax: (316) including the time for reviewing instructions, completing and reviewing the collection of [FR Doc. 2011–2006 Filed 2–4–11; 8:45 am] 942–9006; Internet: http:// information. All responses to this collection BILLING CODE 4910–13–P www.cessna.com. You may review of information are mandatory. Comments copies of the referenced service concerning the accuracy of this burden and information at the FAA, Small Airplane suggestions for reducing the burden should DEPARTMENT OF TRANSPORTATION Directorate, 901 Locust, Kansas City, be directed to the FAA at: 800 Independence Missouri 64106. For information on the Ave. SW., Washington, DC 20591, Attn: Federal Aviation Administration availability of this material at the FAA, Information Collection Clearance Officer, call (816) 329–4148. AES–200. 14 CFR Part 39 Examining the AD Docket Related Information [Docket No. FAA–2009–1186; Directorate (i) Refer to MCAI European Aviation Safety Identifier 2009–CE–065–AD; Amendment You may examine the AD docket on Agency (EASA) AD No.: 2009–0085, dated 39–16588; AD 2011–03–04] the Internet at http:// April 14, 2009; RUAG Alert Service Bulletin www.regulations.gov; or in person at the RIN 2120–AA64 No. ASB–228–266, dated December 1, 2006; Docket Management Facility between and Dornier 228 Time Limits/Maintenance Airworthiness Directives; Cessna 9 a.m. and 5 p.m., Monday through Checks Manual, Temporary Revision No. 05– Aircraft Company (Type Certificate Friday, except Federal holidays. The AD 27, dated August 4, 2008, for related docket contains this AD, the regulatory information. For service information related Previously Held by Columbia Aircraft Manufacturing (Previously the evaluation, any comments received, and to this AD, contact RUAG Aerospace Services other information. The address for the GmbH, Dornier 228 Customer Support, P.O. Company)) Models LC40–550FG, Docket Office (phone: 800–647–5527) is Box 1253, 82231 Wessling, Germany; LC41–550FG, and LC42–550FG telephone: + 49 (0) 8153–302280; fax: + 49 Airplanes Document Management Facility, U.S. (0) 8153–303030. You may review copies of Department of Transportation, Docket the referenced service information at the AGENCY: Federal Aviation Operations, M–30, West Building FAA, Small Airplane Directorate, 901 Locust, Administration (FAA), DOT. Ground Floor, Room W12–140, 1200

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New Jersey Avenue SE., Washington, Register on October 27, 2010 (75 FR public interest require adopting the AD DC 20590. 66009). That SNPRM proposed to retain as proposed except for minor editorial FOR FURTHER INFORMATION CONTACT: Gary the inspection requirements of AD changes. We have determined that these Park, Aerospace Engineer, Wichita 2009–09–09, add airplanes to the minor changes: Aircraft Certification Office, FAA, 1801 Applicability section, and add a • Are consistent with the intent that terminating action for the repetitive Airport Road, Room 100, Wichita, was proposed in the SNPRM for inspection requirements using revised Kansas 67209; telephone: (316) 946– correcting the unsafe condition; and 4123; fax: (316) 946–4107; e-mail: service information. [email protected]. • Do not add any additional burden Comments upon the public than was already SUPPLEMENTARY INFORMATION: We gave the public the opportunity to proposed in the SNPRM. Discussion participate in developing this AD. We Costs of Compliance We issued a supplemental notice of received no comments on the SNPRM or proposed rulemaking (SNPRM) to on the determination of the cost to the We estimate that this proposed AD amend 14 CFR part 39 to supersede AD public. affects 790 airplanes of U.S. registry. 2009–09–09, Amendment 39–15895 (74 Conclusion We estimate the following costs to FR 19873, April 30, 2009). That AD comply with this AD: applies to the specified products. The We reviewed the relevant data and SNPRM published in the Federal determined that air safety and the

ESTIMATED COSTS

Action Labor cost Parts cost Cost per product Cost on U.S. operators

Inspecting the rudder hinges and 1.5 work-hours × $85 per hour = Not applicable .... $127.50 per in- $72,675 per inspection rudder hinge brackets for damage $127.50 per inspection cycle. spection cycle. cycle. with rudder removed (affects 570 airplanes). Inspecting the rudder hinges and .5 work-hour × $85 per hour = Not applicable .... $42.50 per in- $24,225 per inspection rudder hinge brackets for damage $42.50 per inspection cycle. spection cycle. cycle. without rudder removed (affects 570 airplanes). Incorporating the modification kit for 1 work-hour × $85 per hour = $85 $739 ...... $824 ...... $203,528. Models LC40–550FG and LC42– 550FG airplanes (affects 247 air- planes). Incorporating the modification kit for 1 work-hour × $85 per hour = $85 $848 ...... $933 ...... $487,959. Model LC41–550FG airplanes (af- fects 523 airplanes). Inspecting the rudder hinge and the .5 work-hour × $85 per hour = Not applicable .... $42.50 ...... $850. rudder brackets attachment hard- $42.50. ware for correct thread engage- ment (affects 20 airplanes). Inspecting the rudder travel (affects 1 work-hour × $85 per hour = $85 Not applicable .... $85 ...... $1,700. 20 airplanes).

We estimate the following costs to do inspection of the rudder hinge and the rudder travel. We have no way of any necessary repairs that will be rudder brackets attachment hardware determining the number of aircraft that required based on the results of the for correct thread engagement and the might need these repairs:

ON-CONDITION COSTS

Cost per Action Labor cost Parts cost product

Repair the rudder hinge and the rudder brackets attachment hardware .5 work-hour × $85 per hour = $14 $56.50 thread engagement (could affect 20 airplanes). $42.50. Repair the rudder travel (could affect 20 airplanes) ...... 5 work-hour × $85 per hour = 14 56.50 $42.50.

Authority for This Rulemaking detail the scope of the Agency’s for practices, methods, and procedures authority. the Administrator finds necessary for Title 49 of the United States Code We are issuing this rulemaking under safety in air commerce. This regulation specifies the FAA’s authority to issue the authority described in Subtitle VII, is within the scope of that authority rules on aviation safety. Subtitle I, Part A, Subpart III, Section 44701, because it addresses an unsafe condition Section 106, describes the authority of ‘‘General requirements.’’ Under that that is likely to exist or develop on the FAA Administrator. Subtitle VII, section, Congress charges the FAA with products identified in this rulemaking Aviation Programs, describes in more promoting safe flight of civil aircraft in action. air commerce by prescribing regulations

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Regulatory Findings List of Subjects in 14 CFR Part 39 2011–03–04 Cessna Aircraft Company We have determined that this AD will Air transportation, Aircraft, Aviation (Type Certificate Previously Held by not have federalism implications under safety, Incorporation by reference, Columbia Aircraft Manufacturing Executive Order 13132. This AD will Safety. (Previously The Lancair Company)): not have a substantial direct effect on Amendment 39–16588; Docket No. Adoption of the Amendment FAA–2009–1186; Directorate Identifier the States, on the relationship between 2009–CE–065–AD. the national government and the States, Accordingly, under the authority or on the distribution of power and delegated to me by the Administrator, Effective Date the FAA amends 14 CFR part 39 as responsibilities among the various (a) This airworthiness directive (AD) is follows: levels of government. effective March 14, 2011. For the reasons discussed above, I certify that this AD: PART 39—AIRWORTHINESS Affected ADs DIRECTIVES (1) Is not a ‘‘significant regulatory (b) This AD supersedes AD 2009–09–09, action’’ under Executive Order 12866, ■ Amendment 39–15895. (2) Is not a ‘‘significant rule’’ under 1. The authority citation for part 39 DOT Regulatory Policies and Procedures continues to read as follows: Applicability (44 FR 11034, February 26, 1979), Authority: 49 U.S.C. 106(g), 40113, 44701. (c) This AD applies to the following Cessna (3) Will not affect intrastate aviation Aircraft Company (type certificate previously § 39.13 [Amended] in Alaska, and held by Columbia Aircraft Manufacturing (4) Will not have a significant ■ 2. The FAA amends § 39.13 by (previously The Lancair Company)) airplane economic impact, positive or negative, removing Airworthiness Directive (AD) models and serial numbers that are on a substantial number of small entities 2009–09–09, Amendment 39–15895 (74 certificated in any category: under the criteria of the Regulatory FR 19873, April 30, 2009), and adding Flexibility Act. the following new AD:

GROUP 1 AIRPLANES

Model Serial Nos.

LC40–550FG (300) ...... 40001, 40002, and 40004 through 40079. LC41–550FG (400) ...... 41001 through 41569, 41571 through 41800, 411001 through 411087, 411089 through 411110, 411112 through 411138, 411140, 411142, and 411147. LC42–550FG (350) ...... 42001 through 42009, 42011 through 42558, 42560 through 42569, 421001 through 421013, 421015 through 421017, and 421019.

GROUP 2 AIRPLANES

Model Serial Nos.

LC41–550FG (400) ...... 41570, 411088, 411111, 411139, 411141, 411143 through 411146, and 411148 through 411153. LC42–550FG (350) ...... 42010, 42559, 421014, 421018, and 421020.

Subject the rudder hinges and the rudder hinge AD, inspect the rudder hinges and rudder (d) Joint Aircraft System Component brackets, which could result in failure of the hinge brackets for damage, i.e., cracking, (JASC)/Air Transport Association (ATA) of rudder. This failure could lead to loss of deformation, and discoloration. Do the America Code 55, Stabilizers. control. inspections following Cessna Single Engine Service Bulletin SB09–27–01, dated April 13, Unsafe Condition Compliance 2009; Cessna Single Engine Service Bulletin (f) To address this problem, you must do (e) This AD is the result of reports received SB09–27–01, Revision 2, dated November 23, of a cracked lower rudder hinge bracket on the following, unless already done: 2009; or Cessna Single Engine Service two of the affected airplanes. We are issuing (1) For Group 1 airplanes specified in this AD to detect and correct damage, i.e., paragraph (c) of this AD: Using the Bulletin SB09–27–01, Revision 3, dated July cracking, deformation, and discoloration, in compliance times specified in table 1 of this 20, 2010.

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TABLE 1—INSPECTION COMPLIANCE TIMES

Condition Initially inspect . . . Repetitively inspect . . .

(i) For airplanes with 25 With the rudder removed and using 10X visual mag- Thereafter inspect as follows until the modification re- hours time-in-service (TIS) nification, inspect all three rudder hinges and rudder quired in paragraph (f)(5) of this AD is done: or more as of May 11, hinge brackets at whichever of the following occurs (A) Every 25 hours TIS or 3 months, whichever occurs 2009 (the effective date of first first, without removing the rudder, visually inspect all AD 2009–09–09). (A) Within the next 10 hours TIS after May 11, 2009 three rudder hinges and rudder hinge brackets; and (the effective date of AD 2009–09–09); or (B) Every 50 hours TIS or 6 months, whichever occurs (B) Within the next 30 days after May 11, 2009 (the ef- first, with the rudder removed and using 10X visual fective date of AD 009–09–09). magnification, inspect all three rudder hinges and rudder hinge brackets. (ii) For airplanes with less Without removing the rudder, visually inspect all three Thereafter inspect as follows until the modification re- than 25 hours TIS as of rudder hinges and rudder hinge brackets, at which- quired in paragraph (f)(5) of this AD is done: May 11, 2009 (the effec- ever of the following occurs later. (A) Every 25 hours TIS or 3 months, whichever occurs tive date of AD 2009–09– (A) Upon accumulating 25 hours TIS; or first, without removing the rudder, visually inspect all 09). (B) Within the next 10 hours TIS after May 11, 2009 three rudder hinges and rudder hinge brackets; and (the effective date of AD 2009–09–09). (B) Every 50 hours TIS or 6 months, whichever occurs first, with the rudder removed and using 10X visual magnification, inspect all three rudder hinges and rudder hinge brackets.

(2) For Group 1 airplanes specified in Single Engine Modification Kit MK400–27– (iii) After the inspection and any necessary paragraph (c) of this AD: Before further flight 01, dated November 23, 2009; or Cessna corrective actions required in paragraphs after any inspection required in paragraphs Single Engine Modification Kit MK400–27– (f)(6), (f)(6)(i), and (f)(6)(ii) of this AD, no (f)(1)(i) or (f)(1)(ii) of this AD in which 01A, dated July 20, 2010, as specified in further action is required. damage is found on any of the rudder hinges Cessna Single Engine Service Bulletin SB09– Credit for Actions Accomplished in and/or rudder hinge brackets, incorporate 27–01, Revision 2, dated November 23, 2009; Accordance With Previous Service Cessna Single Engine Modification Kit and Cessna Single Engine Service Bulletin Information MK400–27–01, dated November 23, 2009; or SB09–27–01, Revision 3, dated July 20, 2010, Cessna Single Engine Modification Kit to terminate the repetitive inspections (g) For all airplanes specified in paragraph MK400–27–01A dated July 20, 2010, as required in paragraphs (f)(1)(i) and (f)(1)(ii) of (c) of this AD: As of March 14, 2011 (the specified in Cessna Single Engine Service this AD. effective date of this AD), if Cessna Single Bulletin SB09–27–01, Revision 2, dated (6) For any Group 1 airplane with Cessna Engine Service Bulletin SB09–27–01, November 23, 2009; and Cessna Single Single Engine Service Bulletin SB09–27–01, Revision 2, dated November 23, 2009, has Engine Service Bulletin SB09–27–01, Revision 1, dated August 31, 2009, already already been incorporated, no further action Revision 3, dated July 20, 2010. Incorporating incorporated and for all Group 2 airplanes: is required. either Modification Kit MK400–27–01 or Within the next 30 days after March 14, 2011 Alternative Methods of Compliance Modification Kit MK400–27–01A, terminates (the effective date of this AD), inspect for (AMOCs) the repetitive inspections required in proper rudder hinge and rudder bracket paragraphs (f)(1)(i) and (f)(1)(ii) of this AD. hardware thread engagement and inspect the (h)(1) The Manager, Wichita Aircraft Certification Office (ACO), FAA, has the (3) For Group 1 airplanes specified in rudder travel. Do these inspections following authority to approve AMOCs for this AD, if paragraph (c) of this AD: If the repetitive the Accomplishment Instructions in Cessna requested using the procedures found in 14 inspections required in paragraphs (f)(1)(i) Single Engine Modification Kit MK400–27– CFR 39.19. In accordance with 14 CFR 39.19, and (f)(1)(ii) of this AD become due at the 01, dated November 23, 2009; or the send your request to your principal inspector same time, credit for both inspections will be Accomplishment Instructions in Cessna or local Flight Standards District Office, as given by doing the rudder removal and 10X Single Engine Modification Kit MK400–27– appropriate. If sending information directly visual inspection. 01A, dated July 20, 2010. to the manager of the ACO, send it to the (4) For Group 1 airplanes specified in (i) Before further flight after the inspection attention of the person identified in the paragraph (c) of this AD: Within the next 24 required in paragraph (f)(6) of this AD, if any Related Information section of this AD. months after March 14, 2011 (the effective discrepancies are found in the rudder hinge (2) Before using any approved AMOC, date of this AD), incorporate Cessna Single or rudder bracket hardware, replace the notify your Principal Maintenance Inspector Engine Modification Kit MK400–27–01, affected hardware. Do the replacements or Principal Inspector, as dated November 23, 2009; or Cessna Single following the Accomplishment Instructions appropriate, or lacking a principal inspector, Engine Modification Kit MK400–27–01A, in Cessna Single Engine Modification Kit your local Flight Standards District Office. dated July 20, 2010, as specified in Cessna MK400–27–01, dated November 23, 2009; or (3) AMOCs approved for AD 2009–09–09 Single Engine Service Bulletin SB09–27–01, the Accomplishment Instructions in Cessna are approved for this AD. Revision 2, dated November 23, 2009; and Single Engine Modification Kit MK400–27– Cessna Single Engine Service Bulletin SB09– 01A, dated July 20, 2010. Related Information 27–01, Revision 3, dated July 20, 2010, (ii) Before further flight after the inspection (i) For more information about this AD, unless already done as specified in paragraph required in paragraph (f)(6) of this AD, if the contact Gary Park, Aerospace Engineer, (f)(2) of this AD. Incorporating either rudder travel is outside the limits specified Wichita ACO, FAA, 1801 Airport Road, Modification Kit MK400–27–01 or in the Accomplishment Instructions in Room 100, Wichita, Kansas 67209; telephone: Modification Kit MK400–27–01A, terminates Cessna Single Engine Modification Kit (316) 946–4123; fax: (316) 946–4107; e-mail: the repetitive inspections required in MK400–27–01, dated November 23, 2009; or [email protected]. paragraphs (f)(1)(i) and (f)(1)(ii) of this AD. the Accomplishment Instructions in Cessna (5) For Group 1 airplanes specified in Single Engine Modification Kit MK400–27– Material Incorporated by Reference paragraph (c) of this AD: At any time after 01A, dated July 20, 2010, reinstall the rudder (j) You must use Cessna Single Engine the initial inspections required in paragraphs following the Accomplishment Instructions Service Bulletin SB09–27–01, dated April 13, (f)(1)(i) and (f)(1)(ii) of this AD, as long as no in either Cessna Single Engine Modification 2009; Cessna Single Engine Service Bulletin damage is found, and no later than the Kit MK400–27–01, dated November 23, 2009; SB09–27–01, Revision 2, dated November 23, compliance time specified in paragraph (f)(4) or Cessna Single Engine Modification Kit 2009; Cessna Single Engine Service Bulletin of this AD, you may incorporate Cessna MK400–27–01A, dated July 20, 2010. SB09–27–01, Revision 3, dated July 20, 2010;

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Cessna Single Engine Modification Kit products listed above. This AD requires Ground Floor, Room W12–140, 1200 MK400–27–01, dated November 23, 2009; installing two warning level indicator New Jersey Avenue, SE., Washington, and Cessna Single Engine Modification Kit lights on the P2–2 center instrument DC 20590. MK400–27–01A, dated July 20, 2010, to do panel in the flight compartment for the actions required by this AD, unless the FOR FURTHER INFORMATION CONTACT: AD specifies otherwise. certain airplanes. For a certain other Jeffrey W. Palmer, Aerospace Engineer, (1) The Director of the Federal Register airplane, this AD requires activating the Systems and Equipment Branch, ANM– approved the incorporation by reference of cabin altitude warning and takeoff 130S, FAA, Seattle Aircraft Certification Cessna Single Engine Service Bulletin SB09– configuration warning lights. For all Office, 1601 Lind Avenue, SW., Renton, 27–01, Revision 2, dated November 23, 2009; airplanes, this AD also requires revising Washington 98057–3356; phone: (425) and Cessna Single Engine Service Bulletin the airplane flight manual to remove 917–6472; fax: (425) 917–6590; e-mail: SB09–27–01, Revision 3, dated July 20, 2010; certain requirements included by [email protected]. Cessna Single Engine Modification Kit previous AD actions, requires new MK400–27–01, dated November 23, 2009; SUPPLEMENTARY INFORMATION: and Cessna Single Engine Modification Kit pressure altitude limitations for certain MK400–27–01A, dated July 20, 2010, under airplanes, and advises the flightcrew of Discussion the following changes: revised 5 U.S.C. 552(a) and 1 CFR part 51. We issued a notice of proposed (2) The Director of the Federal Register emergency procedures to use when a rulemaking (NPRM) to amend 14 CFR previously approved the incorporation by cabin altitude warning or rapid part 39 to include an airworthiness reference of Cessna Single Engine Service depressurization occurs, and revised directive (AD) that would apply to the Bulletin SB09–27–01, dated April 13, 2009, cabin pressurization procedures for specified products. That NPRM on May 11, 2009 (74 FR 19873, April 30, normal operations. This AD was 2009). published in the Federal Register on prompted by a design change in the (3) For service information identified in August 11, 2010 (75 FR 48620). That cabin altitude warning system that this AD, contact Cessna Aircraft Company, NPRM proposed to require installing would address the identified unsafe Product Support, P.O. Box 7706; Wichita, two warning level indicator lights on condition. We are issuing this AD to Kansas 67277; telephone: (316) 517–5800; the P2–2 center instrument panel in the fax: (316) 942–9006; Internet: http:// prevent failure of the flightcrew to flight compartment for certain airplanes. www.cessna.com. recognize and react properly to a valid For a certain other airplane, that NPRM (4) You may review copies of the service cabin altitude warning horn, which proposed to require activating the cabin information at the FAA, Small Airplane could result in incapacitation of the Directorate, 901 Locust, Kansas City, altitude warning and takeoff flightcrew due to hypoxia (lack of Missouri 64106. For information on the configuration warning lights. For all oxygen in body), and consequent loss of availability of this material at the FAA, call airplanes, that NPRM proposed to also control of the airplane. 816–329–4148. require revising the airplane flight (5) You may also review copies of the DATES: This AD is effective March 14, manual (AFM) to remove certain service information that is incorporated by 2011. requirements included by previous AD reference at the National Archives and The Director of the Federal Register Records Administration (NARA). For actions, to require new pressure altitude approved the incorporation by reference limitations for certain airplanes, and to information on the availability of this of certain publications listed in the AD material at an NARA facility, call 202–741– advise the flightcrew of the following 6030, or go to http://www.archives.gov/ as of March 14, 2011. changes: revised emergency procedures federal_register/code_of_federal_regulations/ ADDRESSES: For service information to use when a cabin altitude warning or ibr_locations.html. identified in this AD, contact Boeing rapid depressurization occurs, and Issued in Kansas City, Missouri, on January Commercial Airplanes, Attention: Data revised cabin pressurization procedures 25, 2011. & Services Management, P.O. Box 3707, for normal operations. MC 2H–65, Seattle, Washington 98124– John Colomy, Comments Acting Manager, Small Airplane Directorate, 2207; telephone 206–544–5000, Aircraft Certification Service. extension 1; fax 206–766–5680; e-mail We gave the public the opportunity to [FR Doc. 2011–2008 Filed 2–4–11; 8:45 am] [email protected]; Internet participate in developing this AD. The https://www.myboeingfleet.com. You BILLING CODE 4910–13–P following presents the comments may review copies of the referenced received on the proposal and the FAA’s service information at the FAA, response to each comment. DEPARTMENT OF TRANSPORTATION Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington. Support for the NPRM Federal Aviation Administration For information on the availability of The Air Line Pilots Association, this material at the FAA, call 425–227– International supports the proposed AD. 1221. 14 CFR Part 39 Request to Delay Rule Pending [Docket No. FAA–2010–0761; Directorate Examining the AD Docket Additional Service Information Identifier 2010–NM–069–AD; Amendment You may examine the AD docket on Lufthansa requested that the FAA 39–16598; AD 2011–03–14] the Internet at http:// consider the release of Boeing Service RIN 2120–AA64 www.regulations.gov; or in person at the Bulletin 737–21–1164 before releasing Docket Management Facility between the AD. Lufthansa stated that Boeing has Airworthiness Directives; The Boeing 9 a.m. and 5 p.m., Monday through recommended that operators consider Company Model 737–100, –200, –200C, Friday, except Federal holidays. The AD doing the modifications specified in –300, –400, and –500 Series Airplanes docket contains this AD, the regulatory Boeing Service Bulletin 737–21–1164 AGENCY: Federal Aviation evaluation, any comments received, and and Boeing Alert Service Bulletin 737– Administration (FAA), DOT. other information. The address for the 31A1325, dated January 11, 2010, at the ACTION: Final rule. Docket Office (phone: 800–647–5527) is same time, because both modifications Document Management Facility, U.S. require access to the same area of the SUMMARY: We are adopting a new Department of Transportation, Docket airplane and extensive airplane airworthiness directive (AD) for the Operations, M–30, West Building downtime. However, Lufthansa pointed

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