2020-23-06: Main Rotor Mast/Swashplate

Adoption of the Amendment \n\n\n\tAccordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: \n\nPART 39--AIRWORTHINESS DIRECTIVES \n\n0 1. The authority citation for part 39 continues to read as follows: \n\n\n\tAuthority: 49 U.S.C. 106(g), 40113, 44701. \n\n\n\nSec. 39.13 (Amended) \n\n0 2. The FAA amends Sec. 39.13 by adding the following new airworthiness directive: \n\n2020-23-06 Airbus Helicopters: Amendment 39-21322; Docket No. FAA- 2020-0652; Product Identifier 2019-SW-066-AD. \n\n(a) Applicability \n\n\n\tThis airworthiness directive (AD) applies to Airbus Helicopters Model AS332C, AS332C1, AS332L, and AS332L1 helicopters, certificated in any category, with a main rotor (M/R) hub assembly (hub) part number (P/N) 332A31-0001-00, 332A31-0001-01, 332A31-0001-02, 332A31- 0001-03, 332A31-0001-04, 332A31-0001-05, or 332A31-0001-06 installed. \n\n(b) Unsafe Condition \n\n\n\tThis AD defines the unsafe condition as incorrect assembly of the M/R hub. This condition could result in failure of the M/R hub components and subsequent loss of control of the helicopter. \n\n(c) Effective Date \n\n\n\tThis AD becomes effective December 24, 2020. \n\n(d) Compliance \n\n\n\tYou are responsible for performing each action required by this AD within the specified compliance time unless it has already been accomplished prior to that time. \n\n(e) Required Actions \n\n\n\t(1) Within 55 hours time-in-service, remove at least one M/R revolutions per minute (''NR'') sensor and borescope inspect the phonic wheel lock washer (lock washer) for correct height of the lock washer (if the installation is correct, you can see the edge of the splines) through the hole of the removed ''NR'' sensor(s) as shown in Figure 1 to Airbus Helicopters Alert Service Bulletin No. AS332-62.00.76, Revision 0, dated May 27, 2019. \n\t(i) If the height of the lock washer is correct, before further flight, install the ''NR'' sensor(s). \n\t(ii) If the height ofthe lock washer is not correct, before further flight, install the ''NR'' sensor(s) and repair or replace the M/R hub in accordance with FAA-approved procedures. \n\t(2) As of the effective date of this AD, do not install M/R hub P/N 332A31-0001-00, 332A31-0001-01, 332A31-0001-02, 332A31-0001-03, 332A31-0001-04, 332A31-0001-05, or 332A31-0001-06 on any helicopter unless the actions of paragraph (e)(1) of this AD have been accomplished. \n\n(f) Alternative Methods of Compliance (AMOCs) \n\n\n\t(1) The Manager, Rotorcraft Standards Branch, FAA, may approve AMOCs for this AD. Send your proposal to: Matt Fuller, AD Program Manager, Operational Safety Branch, Airworthiness Products Section, General Aviation & Rotorcraft Unit, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; telephone 817-222-5110; email [email protected]. \n\t(2) For operations conducted under a 14 CFR part 119 operating certificate or under 14 CFR part 91, subpart K, the FAA suggests that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office, before operating any aircraft complying with this AD through an AMOC. \n\n(g) Additional Information \n\n\n\tThe subject of this AD is addressed in European Union Aviation Safety Agency (EASA) No. 2019-0172, dated July 18, 2019. You may view the EASA AD on the internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2020-0652. \n\n(h) Subject \n\n\n\tJoint Aircraft Service Component (JASC) Code: 6230, Main Rotor Mast/Swashplate. \n\n(i) Material Incorporated by Reference \n\n\n\t(1) The Director of the Federal Register approved the incorporation by reference of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. \n\t(2) You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise. \n\t(i) Airbus Helicopters Alert Service Bulletin No. AS332- 62.00.76, Revision 0, dated May 27, 2019. \n\t(ii) (Reserved) \n\t(3) For service information identified in this AD, contact Airbus Helicopters, 2701 N Forum Drive, Grand Prairie, TX 75052; telephone 972-641-0000 or 800-232-0323; fax 972-641-3775; or at https://www.airbus.com/helicopters/services/technical-support.html. \n\t(4) You may view this service information at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N-321, Fort Worth, TX 76177. For information on the availability of this material at the FAA, call 817-222-5110. \n\t(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: https://www.archives.gov/federal-register/cfr/ibr-locations.html. \n\n\n\n((Page 73615)) \n\n\n\n\n\tIssued on October 30, 2020. Lance T. Gant, Director, Compliance & AirworthinessDivision, Aircraft Certification Service. (FR Doc. 2020-25471 Filed 11-18-20; 8:45 am) BILLING CODE 4910-13-P