58816 Federal Register / Vol. 81, No. 166 / Friday, August 26, 2016 / Rules and Regulations

(i). Textron Aviation, Inc. (Cessna) Multi- issuing this AD to detect and correct indicating that the aft pressure bulkhead engine Service Bulletin (SB) No. MEB–27–02, cracks in the aft pressure bulkhead web. web to pressure chord joint is subject to Revision 1, dated June 15, 2016. Such cracking could result in the loss of WFD. The NPRM proposed to require (ii) Reserved. structural integrity of the airplane. repetitive HFEC inspections of the aft (4) For Textron Aviation, Inc. (Cessna) service information identified in this AD, DATES: This AD is effective September pressure bulkhead web at fasteners contact Textron Aviation Customer Service, 30, 2016. common to the bulkhead web and P.O. Box 7706, Wichita, Kansas 67277; The Director of the Federal Register pressure chord, around the entire telephone: (316) 517–5800; fax: (316) 517– approved the incorporation by reference circumference of the pressure chord, for 7271; email: customercare@ of a certain publication listed in this AD any crack, and repair of cracks. We are cessna.textron.com; Internet: https:// as of September 30, 2016. issuing this AD to detect and correct support.cessna.com/custsupt/csupport/ ADDRESSES: For service information cracks in the aft pressure bulkhead web. newlogin.jsp. identified in this final rule, contact Such cracking could result in the loss of (5) You may view this service information structural integrity of the airplane. at the FAA, Small Airplane Directorate, 901 Boeing Commercial Airplanes, Locust, Kansas City, Missouri 64106. For Attention: Data & Services Management, Comments information on the availability of this P.O. Box 3707, MC 2H–65, Seattle, WA material at the FAA, call (816) 329–4148. It 98124–2207; telephone 206–544–5000, We gave the public the opportunity to is also available on the Internet at http:// extension 1; fax 206–766–5680; Internet participate in developing this AD. The www.regulations.gov by searching for and https://www.myboeingfleet.com. You following presents the comments locating Docket No. FAA–2016–8992. may view this referenced service received on the NPRM and the FAA’s (6) You may view this service information information at the FAA, Transport response. Boeing and United Airlines that is incorporated by reference at the supported the NPRM. National Archives and Records Airplane Directorate, 1601 Lind Avenue Administration (NARA). For information on SW., Renton, WA. For information on Effect of Winglets on Accomplishment the availability of this material at NARA, call the availability of this material at the of the Proposed Actions FAA, call 425–227–1221. It is also 202–741–6030, or go to: http:// Aviation Partners Boeing stated that www.archives.gov/federal-register/cfr/ibr- available on the Internet at http:// accomplishing supplemental type locations.html. www.regulations.gov by searching for certificate (STC) ST01920SE does not and locating Docket No. FAA–2016– Issued in Kansas City, Missouri, on August affect the actions specified in the 4221. 17, 2016. proposed AD. Pat Mullen, Examining the AD Docket We concur with the commenter. We Acting Manager, Small Airplane Directorate, have redesignated paragraph (c) of the Aircraft Certification Service. You may examine the AD docket on the Internet at http:// proposed AD as paragraph (c)(1), and [FR Doc. 2016–20073 Filed 8–25–16; 8:45 am] www.regulations.gov by searching for added new paragraph (c)(2) to this AD BILLING CODE 4910–13–P and locating Docket No. FAA–2016– to state that installation of STC 4221; or in person at the Docket ST01920SE does not affect the ability to accomplish the actions required by this DEPARTMENT OF TRANSPORTATION Management Facility between 9 a.m. and 5 p.m., Monday through Friday, AD. Therefore, for airplanes on which STC ST01920SE is installed, a ‘‘change Federal Aviation Administration except Federal holidays. The AD docket contains this AD, the regulatory in product’’ alternative method of compliance (AMOC) approval request is 14 CFR Part 39 evaluation, any comments received, and other information. The address for the not necessary to comply with the [Docket No. FAA–2016–4221; Directorate Docket Office (phone: 800–647–5527) is requirements of 14 CFR 39.17. Identifier 2015–NM–167–AD; Amendment 39–18619; AD 2016–17–06] Docket Management Facility, U.S. Conclusion Department of Transportation, Docket RIN 2120–AA64 We reviewed the relevant data, Operations, M–30, West Building considered the comments received, and Ground Floor, Room W12–140, 1200 determined that air safety and the Airworthiness Directives; The Boeing New Jersey Avenue SE., Washington, Company Airplanes public interest require adopting this AD DC 20590. with the changes described previously AGENCY: Federal Aviation FOR FURTHER INFORMATION CONTACT: and minor editorial changes. We have Administration (FAA), DOT. Wayne Lockett, Aerospace Engineer, determined that these minor changes: ACTION: Final rule. Airframe Branch, ANM–120S, FAA, • Are consistent with the intent that Seattle Aircraft Certification Office was proposed in the NPRM for SUMMARY: We are adopting a new (ACO), 1601 Lind Avenue SW., Renton, correcting the unsafe condition; and airworthiness directive (AD) for all The WA 98057–3356; phone: 425–917–6447; • Do not add any additional burden Boeing Company Model 767–200 and fax: 425–917–6590; email: upon the public than was already –300 series airplanes. This AD was [email protected]. proposed in the NPRM. prompted by an evaluation by the SUPPLEMENTARY INFORMATION: We also determined that these design approval holder (DAH) changes will not increase the economic Discussion indicating that the aft pressure bulkhead burden on any operator or increase the web to pressure chord joint is subject to We issued a notice of proposed scope of this AD. widespread fatigue damage (WFD). This rulemaking (NPRM) to amend 14 CFR AD requires repetitive high frequency part 39 by adding an AD that would Related Service Information Under 1 eddy current (HFEC) inspections of the apply to all The Boeing Company Model CFR Part 51 aft pressure bulkhead web at fasteners 767–200 and –300 series airplanes. The We reviewed Boeing Alert Service common to the bulkhead web and NPRM published in the Federal Bulletin 767–53A0268, dated April 1, pressure chord, around the entire Register on March 8, 2016 (81 FR 2015. The service information describes circumference of the pressure chord, for 12047) (‘‘the NPRM’’). The NPRM was procedures for HFEC inspections of the any crack, and repair of cracks. We are prompted by an evaluation by the DAH aft pressure bulkhead web at fasteners

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common to the bulkhead web and available because the interested parties Costs of Compliance pressure chord, around the entire have access to it through their normal We estimate that this AD affects 296 circumference of the pressure chord, for course of business or by the means airplanes of U.S. registry. any crack, and repair of cracks. This identified in the ADDRESSES section. We estimate the following costs to service information is reasonably comply with this AD:

ESTIMATED COSTS

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

Inspection ...... 57 work-hours × $85 per hour $0 $4,845 $1,434,120 = $4,845.

The size of any repair area needs to under the criteria of the Regulatory (e) Unsafe Condition be determined before material and Flexibility Act. This AD was prompted by an evaluation by work-hour costs can be calculated, so the design approval holder indicating that List of Subjects in 14 CFR Part 39 we cannot provide cost estimates for the the aft pressure bulkhead web to pressure on-condition actions specified in this Air transportation, Aircraft, Aviation chord joint is subject to widespread fatigue AD. safety, Incorporation by reference, damage. We are issuing this AD to detect and Safety. correct cracks in the aft pressure bulkhead Authority for This Rulemaking web. Such cracking could result in the loss Adoption of the Amendment of structural integrity of the airplane. Title 49 of the United States Code specifies the FAA’s authority to issue Accordingly, under the authority (f) Compliance rules on aviation safety. Subtitle I, delegated to me by the Administrator, Comply with this AD within the section 106, describes the authority of the FAA amends 14 CFR part 39 as compliance times specified, unless already the FAA Administrator. Subtitle VII: follows: done. Aviation Programs, describes in more (g) Repetitive Inspections detail the scope of the Agency’s PART 39—AIRWORTHINESS DIRECTIVES Except as required by paragraph (h) of this authority. AD, at the applicable time specified in We are issuing this rulemaking under ■ 1. The authority citation for part 39 paragraph 1.E., ‘‘Compliance,’’ of Boeing the authority described in Subtitle VII, continues to read as follows: Alert Service Bulletin 767–53A0268, dated Part A, Subpart III, Section 44701: April 1, 2015, perform a surface high ‘‘General requirements.’’ Under that Authority: 49 U.S.C. 106(g), 40113, 44701. frequency eddy current (HFEC) inspection for cracking of the aft pressure bulkhead web at section, Congress charges the FAA with § 39.13 [Amended] promoting safe flight of civil aircraft in fasteners common to the bulkhead web and air commerce by prescribing regulations ■ 2. The FAA amends § 39.13 by adding pressure chord, around the entire circumference of the pressure chord, in for practices, methods, and procedures the following new airworthiness directive (AD): accordance with the Accomplishment the Administrator finds necessary for Instructions of Boeing Alert Service Bulletin safety in air commerce. This regulation 2016–17–06 The Boeing Company: 767–53A0268, dated April 1, 2015. For this is within the scope of that authority Amendment 39–18619; Docket No. AD, Group 2, Configuration 2, as specified in because it addresses an unsafe condition FAA–2016–4221; Directorate Identifier Boeing Alert Service Bulletin 767–53A0268, that is likely to exist or develop on 2015–NM–167–AD. dated April 1, 2015, includes airplanes with the aft pressure bulkhead replaced as products identified in this rulemaking (a) Effective Date action. specified in Boeing Alert Service Bulletin This AD is effective September 30, 2016. 767–53A0267. Repeat the inspection thereafter at the applicable time specified in Regulatory Findings (b) Affected ADs paragraph 1.E., ‘‘Compliance,’’ of Boeing This AD will not have federalism None. Alert Service Bulletin 767–53A0268, dated implications under Executive Order April 1, 2015. 13132. This AD will not have a (c) Applicability substantial direct effect on the States, on (1) This AD applies to all The Boeing (h) Service Information Exception the relationship between the national Company Model 767–200 and –300 series Where Boeing Alert Service Bulletin 767– government and the States, or on the airplanes, certificated in any category. 53A0268, dated April 1, 2015, specifies a (2) Installation of Supplemental Type distribution of power and compliance time ‘‘after the original issue date Certificate (STC) ST01920SE (http:// of this service bulletin,’’ this AD requires responsibilities among the various rgl.faa.gov/Regulatory_and_Guidance_ compliance within the specified compliance levels of government. Library/rgstc.nsf/0/ time after the effective date of this AD. For the reasons discussed above, I 59027f43b9a7486e86257b1d006591ee/$FILE/ certify that this AD: ST01920SE_AML.pdf) does not affect the (i) Crack Repair (1) Is not a ‘‘significant regulatory ability to accomplish the actions required by If any crack is found during any inspection action’’ under Executive Order 12866, this AD. Therefore, for airplanes on which required by paragraph (g) of this AD, before (2) Is not a ‘‘significant rule’’ under STC ST01920SE is installed, a ‘‘change in further flight, repair the crack using a method DOT Regulatory Policies and Procedures product’’ alternative method of compliance approved in accordance with the procedures (AMOC) approval request is not necessary to specified in paragraph (j) of this AD. (44 FR 11034, February 26, 1979), Although Boeing Alert Service Bulletin 767– (3) Will not affect intrastate aviation comply with the requirements of 14 CFR 39.17. 53A0268, dated April 1, 2015, specifies to in Alaska, and contact Boeing for repair instructions, and (4) Will not have a significant (d) Subject specifies that action as ‘‘RC’’ (Required for economic impact, positive or negative, Air Transport Association (ATA) of Compliance), this AD requires repair as on a substantial number of small entities America Code 53, Fuselage. specified in this paragraph. Installation of a

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repair terminates the inspections required by (3) For service information identified in Boeing Commercial Airplanes, paragraph (g) of this AD in the area covered this AD, contact Boeing Commercial Attention: Data & Services Management, by the repair only. Airplanes, Attention: Data & Services P.O. Box 3707, MC 2H–65, Seattle, WA Management, P.O. Box 3707, MC 2H–65, (j) Alternative Methods of Compliance Seattle, WA 98124–2207; telephone 206– 98124–2207; telephone: 206–544–5000, (AMOCs) 544–5000, extension 1; fax 206–766–5680; extension 1; fax: 206–766–5680; (1) The Manager, Seattle Aircraft Internet https://www.myboeingfleet.com. Internet: https:// Certification Office (ACO), FAA, has the (4) You may view this service information www.myboeingfleet.com. You may view authority to approve AMOCs for this AD, if at the FAA, Transport Airplane Directorate, this referenced service information at requested using the procedures found in 14 1601 Lind Avenue SW., Renton, WA. For the FAA, Transport Airplane CFR 39.19. In accordance with 14 CFR 39.19, information on the availability of this Directorate, 1601 Lind Avenue SW., send your request to your principal inspector material at the FAA, call 425–227–1221. Renton, WA. For information on the or local Flight Standards District Office, as (5) You may view this service information that is incorporated by reference at the availability of this material at the FAA, appropriate. If sending information directly call 425–227–1221. It is also available to the manager of the ACO, send it to the National Archives and Records attention of the person identified in Administration (NARA). For information on on the Internet at http:// paragraph (k) of this AD. Information may be the availability of this material at NARA, call www.regulations.gov by searching for emailed to: 9-ANM-Seattle-ACO-AMOC- 202–741–6030, or go to: http:// and locating Docket No. FAA–2016– [email protected]. www.archives.gov/federal-register/cfr/ibr- 0463. (2) Before using any approved AMOC, locations.html. notify your appropriate principal inspector, Issued in Renton, Washington, on August Examining the AD Docket or lacking a principal inspector, the manager 16, 2016. You may examine the AD docket on of the local flight standards district office/ Dorr M. Anderson, the Internet at http:// certificate holding district office. Acting Manager, Transport Airplane www.regulations.gov by searching for (3) An AMOC that provides an acceptable Directorate Aircraft Certification Service. level of safety may be used for any repair, and locating Docket No. FAA–2016– modification, or alteration required by this [FR Doc. 2016–20075 Filed 8–25–16; 8:45 am] 0463; or in person at the Docket AD if it is approved by the Boeing BILLING CODE 4910–13–P Management Facility between 9 a.m. Commercial Airplanes Organization and 5 p.m., Monday through Friday, Designation Authorization (ODA) that has except Federal holidays. The AD docket been authorized by the Manager, Seattle DEPARTMENT OF TRANSPORTATION contains this AD, the regulatory ACO, to make those findings. To be Federal Aviation Administration evaluation, any comments received, and approved, the repair method, modification other information. The address for the deviation, or alteration deviation must meet the certification basis of the airplane and the 14 CFR Part 39 Docket Office (phone: 800–647–5527) is approval must specifically refer to this AD. Docket Management Facility, U.S. (4) Except as required by paragraph (i) of [Docket No. FAA–2016–0463; Directorate Department of Transportation, Docket this AD: For service information that Identifier 2015–NM–155–AD;Amendment Operations, M–30, West Building contains steps that are labeled as RC, the 39–18623; AD 2016–17–10] Ground Floor, Room W12–140, 1200 provisions of paragraphs (j)(4)(i) and (j)(4)(ii) RIN 2120–AA64 New Jersey Avenue SE., Washington, apply. DC 20590. (i) The steps labeled as RC, including Airworthiness Directives; The Boeing substeps under an RC step and any figures Company Airplanes FOR FURTHER INFORMATION CONTACT: Eric identified in an RC step, must be done to Lin, Aerospace Engineer, Airframe comply with the AD. An AMOC is required AGENCY: Federal Aviation Branch, ANM–120S, FAA, Seattle for any deviations to RC steps, including Administration (FAA), DOT. Aircraft Certification Office (ACO), 1601 substeps and identified figures. ACTION: Final rule. Lind Avenue SW., Renton, WA 98057– (ii) Steps not labeled as RC may be 3356; phone: 425–917–6412; fax: 415– deviated from using accepted methods in SUMMARY: We are adopting a new 917–6590; email: [email protected]. accordance with the operator’s maintenance airworthiness directive (AD) for all The or inspection program without obtaining Boeing Company Model 777 airplanes. SUPPLEMENTARY INFORMATION: approval of an AMOC, provided the RC steps, This AD was prompted by a report of an including substeps and identified figures, can Discussion still be done as specified, and the airplane incident involving a landing in which can be put back in an airworthy condition. the pilots needed to input corrections We issued a notice of proposed due to airplane yaw and roll to the right; rulemaking (NPRM) to amend 14 CFR (k) Related Information the main landing gear (MLG) aft part 39 by adding an AD that would For more information about this AD, trunnion pin was later found to be apply to all The Boeing Company Model contact Wayne Lockett, Aerospace Engineer, fractured. This AD requires 777 airplanes. The NPRM published in Airframe Branch, ANM–120S, FAA, Seattle identification and replacement of the Federal Register on February 18, ACO, 1601 Lind Avenue SW., Renton, WA certain MLG aft trunnion pins. We are 2016 (81 FR 8164) (‘‘the NPRM’’). The 98057–3356; phone: 425–917–6447; fax: 425– issuing this AD to prevent a fractured 917–6590; email: [email protected]. NPRM was prompted by a report of an MLG aft trunnion pin, which could incident involving a landing in which (l) Material Incorporated by Reference result in collapse of the MLG and the pilots needed to input corrections (1) The Director of the Federal Register consequent loss of control of the due to airplane yaw and roll to the right; approved the incorporation by reference airplane during landing. the MLG aft trunnion pin was later (IBR) of the service information listed in this DATES: This AD is effective September found to be fractured. The NPRM paragraph under 5 U.S.C. 552(a) and 1 CFR 30, 2016. proposed to require identification and part 51. The Director of the Federal Register replacement of certain MLG aft trunnion (2) You must use this service information approved the incorporation by reference as applicable to do the actions required by pins. We are issuing this AD to prevent this AD, unless the AD specifies otherwise. of a certain publication listed in this AD a fractured MLG aft trunnion pin, which (i) Boeing Alert Service Bulletin 767– as of September 30, 2016. could result in collapse of the MLG and 53A0268, dated April 1, 2015. ADDRESSES: For service information consequent loss of control of the (ii) Reserved. identified in this final rule, contact airplane during landing.

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