31762 Federal Register / Vol. 77, No. 104 / Wednesday, May 30, 2012 / Proposed Rules

List of Subjects in 14 CFR Part 39 (f) Compliance (3) AMOCs approved previously in Comply with this AD within the accordance with AD 2005–07–20, Air transportation, Aircraft, compliance times specified, unless already Amendment 39–14045 (70 FR 17603, April 7, safety, Incorporation by reference, done. 2005), are approved as AMOCs for the Safety. corresponding provisions of this AD. (g) Retained Actions With No Changes (j) Related Information The Proposed Amendment This paragraph restates the actions required by paragraph (f) of AD 2005–07–20, (1) For more information about this AD, Accordingly, under the authority Amendment 39–14045 (70 FR 17603, April 7, contact Gregg Nesemeier, Senior delegated to me by the Administrator, 2005). For identified in Engineer, Systems and Equipment Branch, the FAA proposes to amend 14 CFR part Alert Service Bulletin 737–22A1164, dated ANM–130S, FAA, Seattle Aircraft 39 as follows: May 20, 2004: Within 12 months after May Certification Office (ACO), 1601 Lind Avenue 12, 2005 (the effective date of AD 2005–07– SW., Renton, Washington 98057–3356; PART 39—AIRWORTHINESS 20, Amendment 39–14045 (70 FR 17603, phone: (425) 917–6479; fax: (425) 917–6590; DIRECTIVES April 7, 2005)), install and test an updated email: [email protected]. version of the operational program software (2) For service information identified in (OPS) of the EDFCS flight control computers this AD, contact Boeing Commercial 1. The authority citation for part 39 Airplanes, Attention: Data & Services continues to read as follows: (FCCs), in accordance with Boeing Alert Service Bulletin 737–22A1164, dated May Management, P.O. Box 3707, MC 2H–65, Authority: 49 U.S.C. 106(g), 40113, 44701. 20, 2004. Seattle, Washington 98124–2207; telephone 206–544–5000, extension 1; fax 206–766– § 39.13 [Amended] (h) New Requirements 5680; email [email protected]; Internet Within 3 months after the effective date of https://www.myboeingfleet.com. You may 2. The FAA amends § 39.13 by this AD: Inspect to determine the part review copies of the referenced service removing airworthiness directive (AD) number of the OPS of the FCCs, in information at the FAA, Transport 2005–07–20, Amendment 39–14045 (70 accordance with the Accomplishment Directorate, 1601 Lind Avenue SW., Renton, FR 17603, April 7, 2005), and adding Instructions of Boeing Alert Service Bulletin Washington 98057–3356. For information on the following new AD. 737–22A1211, dated April 13, 2010. the availability of this material at the FAA, Installing software as required by paragraph call 425–227–1221. The Boeing Company: Docket No. FAA– (h)(1) of this AD, or verifying that the 2010–0856; Directorate Identifier 2010– Issued in Renton, Washington, on May 21, software is installed as specified by NM–117–AD. 2012. paragraph (h)(2) of this AD, terminates the requirements of paragraph (g) of this AD. Michael Kaszycki, (a) Comments Due Date (1) For any OPS having a part number Acting Manager, Transport Airplane We must receive comments by July 16, identified in table 1 of the Accomplishment Directorate, Aircraft Certification Service. 2012. Instructions of Boeing Alert Service Bulletin [FR Doc. 2012–13028 Filed 5–29–12; 8:45 am] 737–22A1211, dated April 13, 2010: Before (b) Affected ADs BILLING CODE 4910–13–P further flight, install software specified in This AD supersedes AD 2005–07–20, table 2 of Boeing Alert Service Bulletin 737– Amendment 39–14045 (70 FR 17603, April 7, 22A1211, dated April 13, 2010, or install DEPARTMENT OF TRANSPORTATION 2005). software that is approved by the Boeing (c) Applicability Commercial Airplanes Organization Federal Aviation Administration Designation Authorization (ODA) after April This AD applies to The Boeing Company 13, 2010, that is fully interchangeable with Model 737–600, –700, –700C, –800, and –900 the software specified in table 2 of Boeing 14 CFR Part 39 series airplanes, delivered with the Rockwell Alert Service Bulletin 737–22A1211, dated Collins Enhanced Digital Flight Control [Docket No. FAA–2012–0490; Directorate April 13, 2010. Do the installation in Identifier 2012–NM–066–AD] System (EDFCS), certificated in any category; accordance with the Accomplishment as identified in the Variable Number table in Instructions of Boeing Alert Service Bulletin RIN 2120–AA64 Section 1.A., Effectivity, of Boeing Alert 737–22A1211, dated April 13, 2010. Service Bulletin 737–22A1211, dated April (2) For any OPS having a part number Airworthiness Directives; The Boeing 13, 2010. identified in table 2 of the Accomplishment Company Airplanes Note 1 to paragraph (c) of this AD: This Instructions of Boeing Alert Service Bulletin AD is applicable to all airplanes listed in the 737–22A1211, dated April 13, 2010: No ACTION: Notice of proposed rulemaking Variable Number table, and is not defined by further action is required by this paragraph. (NPRM). the ‘‘Group 1’’ description in Section 1.A. of (i) Alternative Methods of Compliance Boeing Alert Service Bulletin 737–22A1211, SUMMARY: We propose to adopt a new (AMOCs) dated April 13, 2010. airworthiness directive (AD) for all The (1) The Manager, Seattle Aircraft (d) Subject Boeing Company Model 707 airplanes, Certification Office (ACO), FAA, has the and Model 720 and 720B series authority to approve AMOCs for this AD, if Joint Aircraft System Component (JASC)/ airplanes. This proposed AD was Air Transport Association (ATA) of America requested using the procedures found in 14 Code 22, Auto Flight. CFR 39.19. In accordance with 14 CFR 39.19, prompted by reports of cracking of the send your request to your principal inspector midspar fittings, and of the engine and (e) Unsafe Condition or local Flight Standards District Office, as strut separating from the This AD was prompted by reports of appropriate. If sending information directly airplane. This proposed AD would undetected erroneous output from a single to the manager of the ACO, send it to the require performing a detailed inspection radio altimeter channel, which resulted in attention of the person identified in the of the midspar fittings of the nacelle premature autothrottle retard during Related Information section of this AD. strut to confirm that the correct part approach. We are issuing this AD to detect Information may be emailed to: 9-ANM- number is installed, and installing the and correct an unsafe condition associated [email protected]. with erroneous output from a radio altimeter (2) Before using any approved AMOC, correct part number if necessary; channel, which could result in premature notify your appropriate principal inspector, performing repetitive high frequency autothrottle flare retard and the loss or lacking a principal inspector, the manager eddy current inspections (HFEC) of the of automatic speed control, and consequent of the local flight standards district office/ midspar fittings of the nacelle strut for loss of control of the airplane. certificate holding district office. cracks, and repair if necessary; and

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performing repetitive general visual 165501 Lind Avenue SW., Renton, WA below its normal position, applying the inspections of the nacelle struts to verify 98057–3356; phone: (425) 917–6577; droop stripe to the nacelle strut and that the nacelle strut has not drooped fax: (425) 917–6590; email: sailboat fairing if necessary, and below its normal position, applying the [email protected]. repairing if necessary. droop stripe to the nacelle strut and SUPPLEMENTARY INFORMATION: The initial compliance times for the sailboat fairing if necessary, and repair HFEC and general visual inspections, if necessary. We are proposing this AD Comments Invited and the application of the droop stripe to detect and correct cracking of the We invite you to send any written if necessary, is at the later of: (1) Within midspar fitting, which could result in relevant data, views, or arguments about 1,500 flight cycles or 48 months from separation of the nacelle strut and this proposal. Send your comments to the replacement of the nacelle strut engine from the airplane while in flight, an address listed under the ADDRESSES inboard and outboard midspar fittings, and consequent loss of controllability of section. Include ‘‘Docket No. FAA– whichever occurs first, or (2) within 120 the airplane. 2012–0490; Directorate Identifier 2012– days. DATES: We must receive comments on NM–066–AD’’ at the beginning of your For the HFEC inspection, the this proposed AD by July 16, 2012. comments. We specifically invite repetitive interval is within 250 flight cycles or 12 months, whichever occurs ADDRESSES: You may send comments, comments on the overall regulatory, using the procedures found in 14 CFR economic, environmental, and energy first. For the general visual inspection, the 11.43 and 11.45, by any of the following aspects of this proposed AD. We will repetitive interval is 30 flight cycles, methods: consider all comments received by the except after both midspar fittings are • Federal eRulemaking Portal: Go to closing date and may amend this replaced on the strut, the next http://www.regulations.gov. Follow the proposed AD because of those inspection would be performed within instructions for submitting comments. comments. • Fax: 202–493–2251. We will post all comments we 1,500 flight cycles or 48 months, • Mail: U.S. Department of receive, without change, to http:// whichever occurs first, from the Transportation, Docket Operations, www.regulations.gov, including any replacement of both the nacelle strut M–30, West Building Ground Floor, personal information you provide. We inboard and outboard midspar fittings. Boeing 707 Alert Service Bulletin Room W12–140, 1200 New Jersey will also post a report summarizing each A3537, dated January 30, 2012, refers to Avenue SE., Washington, DC 20590. substantive verbal contact we receive • Hand Delivery: Deliver to Mail about this proposed AD. Boeing 707/720 Service Bulletin 3183, Revision 5, dated September 16, 1993, address above between 9 a.m. and Discussion 5 p.m., Monday through Friday, except as an additional source of guidance for We have received reports of fatigue the HFEC inspections of the midspar Federal holidays. cracking of the midspar fittings, and the For service information identified in fittings of the engine number 2 and 3 engine and nacelle strut separating from this proposed AD, contact Boeing nacelle struts for cracks. the airplane. Operators have reported Commercial Airplanes, Attention: Data that the cracking occurred on more than FAA’s Determination & Services Management, P.O. Box 3707, 40 airplanes with approximately 9,900 We are proposing this AD because we MC 2H–65, Seattle, Washington 98124– to 63,000 flight hours. In addition, there evaluated all the relevant information 2207; telephone 206–544–5000, has been a report of the engine number and determined the unsafe condition extension 1; fax 206–766–5680; email 3 nacelle strut separating from the described previously is likely to exist or [email protected]; Internet airplane and contacting the engine develop in other products of the same https://www.myboeingfleet.com. You number 4 nacelle strut, which also type design. may review copies of the referenced separated from the airplane. This service information at the FAA, Proposed AD Requirements condition, if not corrected, could result Transport Airplane Directorate, 1601 in a fractured midspar fitting, which This proposed AD would require Lind Avenue SW., Renton, Washington. could cause a separation of the nacelle accomplishing the actions specified in For information on the availability of strut and engine from the airplane while the service information described this material at the FAA, call 425–227– in flight, resulting in loss of previously, except as discussed under 1221. controllability of the airplane. ‘‘Differences Between the Proposed AD Examining the AD Docket and the Service Information.’’ Relevant Service Information Differences Between the Proposed AD You may examine the AD docket on We reviewed Boeing 707 Alert Service and the Service Information the Internet at http:// Bulletin A3537, dated January 30, 2012. www.regulations.gov; or in person at the That service information describes Boeing 707 Alert Service Bulletin Docket Management Facility between procedures for: A3537, dated January 30, 2012, specifies 9 a.m. and 5 p.m., Monday through • Performing a detailed inspection of to contact the manufacturer for Friday, except Federal holidays. The AD the midspar fittings of the engine instructions on how to repair certain docket contains this proposed AD, the number 2 and 3 nacelle struts to confirm conditions, but this proposed AD would regulatory evaluation, any comments that the correct part number is installed, require repairing those conditions in received, and other information. The and installing the correct part number if one of the following ways: street address for the Docket Office necessary. • In accordance with a method that (phone: 800–647–5527) is in the • Performing HFEC inspections of the we approve; or ADDRESSES section. Comments will be midspar fittings of the engine number 2 • Using data that meet the available in the AD docket shortly after and 3 nacelle struts for cracks, and certification basis of the airplane, and receipt. repairing if necessary. that have been approved by the Boeing FOR FURTHER INFORMATION CONTACT: • Performing repetitive general visual Commercial Airplanes Organization Berhane Alazar, Aerospace Engineer, inspections of the nacelle struts of Designation Authorization (ODA) whom Airframe Branch, ANM–120S, FAA, engine numbers 1, 2, 3, and 4 to verify we have authorized to make those Seattle Aircraft Certification Office, that the nacelle strut has not drooped findings.

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Boeing 707 Alert Service Bulletin Subject 51–00–00 Figure 24, Steel Part Costs of Compliance A3537, dated January 30, 2012, refers to Surface Inspection (Impedance Plane ‘‘Manual 707, 720 NDT Part 6, 51–00– Display), of Part 6, Eddy Current, of the We estimate that this proposed AD 00 Figure 24 as an accepted procedure’’ Boeing 707, 720 Nondestructive Test affects 11 airplanes of U.S. registry. for the HFEC inspection. This proposed Manual, Document D6–48023, Revision We estimate the following costs to AD would require that the inspection 120, dated March 15, 2012. comply with this proposed AD: must be done in accordance with

ESTIMATED COSTS

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

Detailed inspection, repetitive HFEC inspections and repet- 23 work-hours × $85 per hour $0 $1,955 $21,505 itive general visual inspections of the midspar fittings of = $1,955 the nacelle strut.

We estimate the following costs to do required based on the results of the determining the number of aircraft that any necessary repairs that would be proposed inspection. We have no way of might need these repairs:

ON-CONDITION COSTS

Cost per Action Labor cost Parts cost product

Install the correct part number 130 work-hours × $85 per hour = $11,050 $7,867 × 4 = $31,468 ...... $42,518

Authority for This Rulemaking (2) Is not a ‘‘significant rule’’ under (b) Affected ADs Title 49 of the Code the DOT Regulatory Policies and None. Procedures (44 FR 11034, February 26, specifies the FAA’s authority to issue (c) Applicability 1979), rules on aviation safety. Subtitle I, This AD applies to all The Boeing section 106, describes the authority of (3) Will not affect intrastate aviation in Alaska, and Company Model 707–100 long body, –200, the FAA Administrator. Subtitle VII: –100B long body, and –100B short body Aviation Programs, describes in more (4) Will not have a significant series airplanes; Model 707–300, –300B, detail the scope of the Agency’s economic impact, positive or negative, –300C, and –400 series airplanes; and Model authority. on a substantial number of small entities 720 and 720B series airplanes; certificated in We are issuing this rulemaking under under the criteria of the Regulatory any category. the authority described in Subtitle VII, Flexibility Act. (d) Subject Part A, Subpart III, Section 44701: List of Subjects in 14 CFR Part 39 Joint Aircraft System Component (JASC)/ ‘‘General requirements.’’ Under that Air transportation, Aircraft, Aviation Air Transport Association (ATA) of America section, Congress charges the FAA with Code 54, /Pylons. promoting safe flight of civil aircraft in safety, Incorporation by reference, air commerce by prescribing regulations Safety. (e) Unsafe Condition for practices, methods, and procedures The Proposed Amendment This AD was prompted by reports of the Administrator finds necessary for cracking of the midspar fittings and of the safety in air commerce. This regulation Accordingly, under the authority engine and nacelle strut separating from the delegated to me by the Administrator, airplane. We are issuing this AD to detect is within the scope of that authority and correct cracking of the midspar fitting, because it addresses an unsafe condition the FAA proposes to amend 14 CFR part 39 as follows: which could result in separation of the that is likely to exist or develop on nacelle strut and engine from the airplane products identified in this rulemaking PART 39—AIRWORTHINESS while in flight, and consequent loss of action. controllability of the airplane. DIRECTIVES Regulatory Findings (f) Compliance 1. The authority citation for part 39 Comply with this AD within the We determined that this proposed AD continues to read as follows: would not have federalism implications compliance times specified, unless already done. under Executive Order 13132. This Authority: 49 U.S.C. 106(g), 40113, 44701. proposed AD would not have a § 39.13 [Amended] (g) Detailed Inspection substantial direct effect on the States, on 2. The FAA amends § 39.13 by adding Within 120 days after the effective date of the relationship between the national this AD: Do a detailed inspection of the the following new airworthiness midspar fittings of the engine number 2 and Government and the States, or on the directive (AD): distribution of power and 3 nacelle struts to confirm that the correct responsibilities among the various The Boeing Company: Docket No. FAA– part number is installed, in accordance with levels of government. 2012–0490; Directorate Identifier 2012– the Accomplishment Instructions of Boeing NM–066–AD. 707 Alert Service Bulletin A3537, dated For the reasons discussed above, I January 30, 2012. If any incorrect part certify this proposed regulation: (a) Comments Due Date number is found: Before further flight, install (1) Is not a ‘‘significant regulatory We must receive comments by July 16, the correct part number, in accordance with action’’ under Executive Order 12866, 2012. the Accomplishment Instructions of Boeing

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707 Alert Service Bulletin A3537, dated compliance time based on ‘‘the original issue information at the FAA, Transport Airplane January 30, 2012. date of this service bulletin,’’ this AD Directorate, 1601 Lind Avenue SW., Renton, Note 1 to paragraph (g) of this AD: Boeing requires compliance within the specified Washington. For information on the 707 Alert Service Bulletin A3537, dated compliance time after the effective date of availability of this material at the FAA, call January 30, 2012, refers to Boeing 707/720 this AD. 425–227–1221. Service Bulletin 3183, Revision 5, dated (k) Exception to the Service Information Issued in Renton, Washington, on May 21, September 16, 1993, as an additional source 2012. of guidance for high frequency eddy current Where Boeing 707 Alert Service Bulletin Michael Kaszycki, inspections of the midspar fittings of the A3537, dated January 30, 2012, refers to engine number 2 and 3 nacelle struts for ‘‘Manual 707, 720 NDT Part 6, 51–00–00 Acting Manager, Transport Airplane cracks. Figure 24 as an accepted procedure’’ for the Directorate, Aircraft Certification Service. HFEC inspection, this AD requires that the [FR Doc. 2012–13039 Filed 5–29–12; 8:45 am] (h) High Frequency Eddy Current Inspection inspection must be done in accordance with BILLING CODE 4910–13–P (HFEC) Subject 51–00–00 Figure 24, Steel Part Surface Inspection (Impedance Plane At the applicable times specified in Display), of Part 6, Eddy Current, of the paragraph 1.E., ‘‘Compliance,’’ of Boeing 707 Boeing 707, 720 Nondestructive Test Manual, Alert Service Bulletin A3537, dated January DEPARTMENT OF COMMERCE Document D6–48023, Revision 120, dated 30, 2012, except as provided in paragraph (j) March 15, 2012. of this AD: Do an HFEC inspection of the Minority Business Development midspar fittings of the engine number 2 and (l) Credit for Previous Actions Agency 3 nacelle struts for cracks, in accordance with This paragraph provides credit for the the Accomplishment Instructions of Boeing installation of the engine droop lines 15 CFR Part 1400 707 Alert Service Bulletin A3537, dated required by paragraph (i) of this AD, if those [Docket No. 120517080–2080–01] January 30, 2012, except as provided by actions were performed before the effective paragraph (k) of this AD. If any crack is date of this AD using Boeing 707/720 Service Petition for Inclusion of the Arab- found, before further flight, repair using a Bulletin 3377, dated November 21, 1979. method approved in accordance with the American Community in the Groups procedures specified in paragraph (m) of this (m) Alternative Methods of Compliance Eligible for MBDA Services AD. Thereafter, repeat the inspection at the (AMOCs) AGENCY: Minority Business applicable intervals specified in paragraph (1) The Manager, Seattle Aircraft 1.E., ‘‘Compliance,’’ of Boeing 707 Alert Certification Office (ACO), ANM–120S, FAA, Development Agency, Commerce. Service Bulletin A3537, dated January 30, has the authority to approve AMOCs for this ACTION: Notice of proposed rulemaking 2012. AD, if requested using the procedures found and request for comments. (i) General Visual Inspection of the Nacelle in 14 CFR 39.19. In accordance with 14 CFR Struts of Engine Numbers 1, 2, 3, and 4 39.19, send your request to your principal SUMMARY: The Minority Business inspector or local Flight Standards District Development Agency (MBDA) publishes At the applicable times in paragraph 1.E., Office, as appropriate. If sending information ‘‘Compliance,’’ of Boeing 707 Alert Service this notice regarding the petition directly to the manager of the ACO, send it received on January 11, 2012 from the Bulletin A3537, dated January 30, 2012, to the attention of the person identified in the except as provided in paragraph (j) of this Related Information section of this AD. American-Arab Anti-Discrimination AD: Do a general visual inspection of the Information may be emailed to: 9-ANM- Committee (ADC) requesting formal nacelle struts of engine numbers 1, 2, 3, and [email protected]. designation of Arab-Americans as a 4 to verify that the nacelle strut has not (2) Before using any approved AMOC, minority group that is socially or drooped below its normal position, in notify your appropriate principal inspector, economically disadvantaged pursuant to accordance with the Accomplishment or lacking a principal inspector, the manager 15 CFR art 1400. The formal designation Instructions of Boeing 707 Alert Service of the local flight standards district office/ Bulletin A3537, dated January 30, 2012. of the Arab-American community as a certificate holding district office. group that is socially or economically Thereafter, repeat the inspection at the (3) An AMOC that provides an acceptable applicable intervals specified in paragraph level of safety may be used for any repair disadvantaged would allow the 1.E., ‘‘Compliance,’’ of Boeing 707 Alert required by this AD if it is approved by the members of this community to receive Service Bulletin A3537, dated January 30, Boeing Commercial Airplanes Organization assistance from MBDA funded 2012. Designation Authorization (ODA) that has programs, such as the MBDA Business (1) If any nacelle strut has drooped below been authorized by the Manager, Seattle Center program. The ADC filed a its normal position: Before further flight, ACO, ANM–120S to make those findings. For petition, pursuant to 15 CFR part repair using a method approved in a repair method to be approved, the repair 1400.3, including information accordance with the procedures specified in must meet the certification basis of the paragraph (m) of this AD. specifically related to social and airplane, and the approval must specifically economic discrimination against Arab- (2) If any nacelle strut has not drooped refer to this AD. below its normal position, and no droop Americans. This Notice provides public stripe has been applied, as specified in (n) Related Information notice that the United States Boeing 707/720 Service Bulletin 3377, dated (1) For more information about this AD, Department of Commerce (Department) November 21, 1979: At the applicable times contact Berhane Alazar, Aerospace Engineer, will consider the petition and requests in paragraph 1.E., ‘‘Compliance,’’ of Boeing Airframe Branch, ANM–120S, FAA, Seattle public comment on the propriety of this 707 Alert Service Bulletin A3537, dated Aircraft Certification Office, 1601 Lind designation. MBDA will make a January 30, 2012, except as provided in Avenue SW., Renton, WA 98057–3356; decision on the application no later than paragraph (j) of this AD: Apply the droop phone: (425) 917–6577; fax: (425) 917–6590; stripe to the nacelle strut and sailboat fairing, email: [email protected]. June 27, 2012. on each side of the engine numbers 1, 2, 3, (2) For service information identified in DATES: Comments must be received by and 4 nacelle struts, in accordance with the this AD, contact Boeing Commercial MBDA no later than June 29, 2012. Accomplishment Instructions of Boeing 707 Airplanes, Attention: Data & Services ADDRESSES: You may submit comments, Management, P.O. Box 3707, MC 2H–65, Alert Service Bulletin A3537, dated January identified with Docket No. 120517080– 30, 2012. Seattle, Washington 98124–2207; telephone 206–544–5000, extension 1; fax 206–766– 2080–01, using any of the following (j) Exception to the Compliance Time 5680; email [email protected]; Internet methods: Where Boeing 707 Alert Service Bulletin https://www.myboeingfleet.com. You may • Mail, Hand/Delivery/Courier: Ms. A3537, dated January 30, 2012, specifies a review copies of the referenced service Josephine Arnold, Chief Counsel,

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