2022-13-18: Oxygen

1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. 2. The FAA amends § 39.13 by adding the following new airworthiness directive: 2022-13-18 The Boeing Company: Amendment 39-22104; Docket No. FAA-2022-0462; Project Identifier MCAI-2021-00647-T. (a) Effective Date This airworthiness directive (AD) is effective September 15, 2022. (b) Affected ADs None. (c) Applicability This AD applies to The Boeing Company Model 737-700, 737-800, 747-400, 747-8, 767-400ER, and 777-200 airplanes, certificated in any category, manufacturer serial numbers (MSN) 28551, 28961, 29953, 30791, 30884, 32445, 32575, 32915, 32970, 32971, 33010, 33102, 33361, 33684, 34205, 37500, and 37544, with conductive oxygen flex-hose having part number specified in paragraph (g) of this AD. (d) Subject Air Transport Association (ATA) of America Code 35, Oxygen. (e) Unsafe Condition This AD was prompted by a report that there is the potential for electrical current to pass through low pressure (LP) oxygen flex-hoses in the gaseous passenger oxygen system. The FAA is issuing this AD to address this condition, which could cause the flex-hoses to melt or burn and result in an oxygen-fed fire in the passenger cabin. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Replacement Within 48 months after the effective date of this AD: Replace each conductive oxygen flex-hose installed on LP gaseous passenger oxygen systems with a serviceable non- conductive oxygen flex-hose, in accordance with the Accomplishment Instructions of the applicable Lufthansa Technik Design Change Summary (TS-145 Installation Document Number) corresponding to the affected part numbers specified in figure 1 to paragraph (g) of this AD. BILLING CODE 4910-13-P ER11AU22.010 ER11AU22.011 BILLING CODE 4910-13-C (h) Parts Installation Prohibition As of the effective date of this AD, no person may install a prohibited conductive oxygen flex-hose specified in figure 1 to paragraph (g) of this AD, on LP gaseous passenger oxygen systems on any airplane. (i) Credit for Previous Actions This paragraph provides credit for actions required by paragraph (g) of this AD, if those actions were performed before the effective date of this AD using the service information in paragraphs (i)(1) through (6) of this AD. (1) Lufthansa Technik Design Change Summary ASN-00-DCS-01, Revision 6, dated June 25, 2020. (2) Lufthansa Technik Design Change Summary ASN-00-DCS-01, Revision 7, dated August 26, 2020. (3) Lufthansa Technik Design Change Summary BCP-35-DCS-01, dated January 5, 2021. (4) Lufthansa Technik Design Change Summary BCQ-35-DCS-01, dated January 7, 2021. (5) Lufthansa Technik Design Change Summary BCR-35-DCS-01, dated January 7, 2021. (6) Lufthansa Technik Design Change Summary BCX-35-DCS-01, dated January 7, 2021. (j) Other FAA AD Provisions The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, New York ACO Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or responsible Flight Standards Office, as appropriate. If sending information directly to the manager of the certification office, send it to ATTN: Program Manager, Continuing Operational Safety, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7300. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office. (2) Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, Large Aircraft Section, International Validation Branch, FAA; or the European Union Aviation Safety Agency (EASA); or Lufthansa Technik AG's EASA Design Organization Approval (DOA). If approved by the DOA, the approval must include the DOA-authorized signature. (k) Related Information (1) Refer to Mandatory Continuing Airworthiness Information (MCAI) EASA AD 2021-0135, dated June 2, 2021, for related information. This MCAI may be found in the AD docket on the internet at www.regulations.gov by searching for and locating Docket No. FAA-2022-0462. (2) For more information about this AD, contact Chirayu Gupta, Aerospace Engineer, Mechanical Systems and Administrative Services Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7300; email [email protected]. (3) Service information identified in this AD that is not incorporated by reference is available at the addresses specified in paragraphs (l)(4) and (5) of this AD. (l) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference (IBR) of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this service information as applicable to do the actions required by this AD, unless this AD specifies otherwise. (i) Lufthansa Technik Design Change Summary ASN-00-DCS-01, Revision 8, dated November 5, 2020. (ii) Lufthansa Technik Design Change Summary ATB-25-DCS-01, Revision 10, dated January 7, 2021. (iii) Lufthansa Technik Design Change Summary ATR-23-DCS-01, Revision 2, dated January 7, 2021. (iv) Lufthansa Technik Design Change Summary BCM-35-DCS-01, dated January 4, 2021. (v) Lufthansa Technik Design Change Summary BCP-35-DCS-01, Revision 1, dated April 20, 2021. (vi) Lufthansa Technik Design Change Summary BCQ-35-DCS-01, Revision 1, dated April 20, 2021. (vii) Lufthansa Technik Design Change Summary BCR-35-DCS-01, Revision 1, dated April 20, 2021. (viii) Lufthansa Technik Design Change Summary BCS-35-DCS-01, dated January 5, 2021. (ix) Lufthansa Technik Design Change Summary BCU-35-DCS-01, dated January 5, 2021. (x) Lufthansa Technik Design Change Summary BCV-35-DCS-01, dated February 4, 2021. (xi) Lufthansa Technik Design Change Summary BCW-35-DCS-01, dated January 4, 2021. (xii) Lufthansa Technik Design Change Summary BCX-35-DCS-01, Revision 1, dated February 4, 2021. (3) For service information identified in this AD, contact Lufthansa Technik AG, Weg beim Jäger 193 22335 Hamburg, Germany; telephone 49-40-5070-67428; internet www.lufthansa-technik.com. (4) You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206-231-3195. (5) You may view this service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, email [email protected], or go to: www.archives.gov/federal-register/cfr/ibr-locations.html. Issued on June 17, 2022. Christina Underwood, Acting Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2022-16612 Filed 8-10-22; 8:45 am]BILLING CODE 4910-13-P