2020-21-21: Main Rotor Head

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\n2020-21-21 Leonardo S.p.a.: Amendment 39-21294; Docket No. FAA-2019- 1003; Product Identifier 2018-SW-086-AD. \n\n(a) Applicability \n\n\n\tThis airworthiness directive (AD) applies to Leonardo S.p.a. Model A109E, A109S, A119, AW109SP, and AW119MKII helicopters, certificated in any category, with a main rotor (M/R) floating ring assembly part number (P/N) 109-0111-09-101 or P/N 109-0111-09-103 installed. \n\n(b) Unsafe Condition \n\n\n\tThis AD defines the unsafe condition as disbonding of the washer from the M/R floating ring assembly. This condition could resultin a significant increase of pilot workload and subsequent loss of control of the helicopter. \n\n(c) Effective Date \n\n\n\tThis AD becomes effective November 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 25 hours time-in-service, remove from service any M/R floating ring assembly P/N 109-0111-09-101 or P/N 109-0111-09-103 with serial number (S/N) DA53295148-1, F86782, G130924, J31213, L99, L104, L107, L117, L127, L130, M215, P411, R687, R735, R769, R772, or V71. \n\t(2) After the effective date of this AD: \n\t(i) Do not install any M/R floating ring assembly P/N 109-0111- 09-101 or P/N 109-0111-09-103 with S/N DA53295148-1, F86782, G130924, J31213, L99, L104, L107, L117, L127, L130, M215, P411, R687, R735, R769, R772, or V71 on any helicopter. \n\t(ii) Do not replace any washer P/N 109-0111-23-101 on any M/R floating ring assembly installed on any helicopter. \n\n(f) Special Flight Permits \n\n\n\tSpecial flight permits are prohibited. \n\n(g) Alternative Methods of Compliance (AMOCs) \n\n\n\t(1) The Manager, International Validation Branch, FAA, may approve AMOCs for this AD. Send your proposal to: Kristin Bradley, Aerospace Engineer, General Aviation & Rotorcraft Section, International Validation Branch, 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(h) Additional Information \n\n\n\t(1) Leonardo Helicopters Alert Service Bulletin (ASB) No. 109EP- 163, ASB No. 109S-084, ASB No.109SP-125, and ASB No. 119-092, all Revision A and dated September 13, 2018, which are not incorporated by reference, contain additional information about the subject of this AD. For service information identified in this AD, contact Leonardo S.p.a. Helicopters, Emanuele Bufano, Head of Airworthiness, Viale G. Agusta 520, 21017 C. Costa di Samarate (Va) Italy; telephone +39-0331-225074; fax +39-0331-229046; or at https://www.leonardocompany.com/en/home. You may view the referenced service information at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N-321, Fort Worth, TX 76177. \n\t(2) The subject of this AD is addressed in European Aviation Safety Agency (now \n\n((Page 66471)) \n\nEuropean Union Aviation Safety Agency) (EASA) AD No. 2018-0205, dated September 14, 2018. You may view the EASA AD on the internet at https://www.regulations.gov in Docket No. FAA-2019-1003. \n\n(i) Subject \n\n\n\tJoint Aircraft ServiceComponent (JASC) Code: 6220, Main Rotor Head. \n\n\n\tIssued on October 8, 2020. Gaetano A. Sciortino, Deputy Director for Strategic Initiatives, Compliance & Airworthiness Division, Aircraft Certification Service. (FR Doc. 2020-23019 Filed 10-19-20; 8:45 am) BILLING CODE 4910-13-P