2021-21-08: Ice/Rain Protection System Wiring, Tail Rotor Blades

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: 2021-21-08 Leonardo S.p.a.: Amendment 39-21768; Docket No. FAA-2021-0671; Project Identifier 2019-SW-036-AD. (a) Effective Date This airworthiness directive (AD) is effective December 10, 2021. (b) Affected ADs None. (c) Applicability This AD applies to Leonardo S.p.a. Model AB139 and AW139 helicopters, certificated in any category, as identified in European Union Aviation Safety Agency (EASA) AD 2019-0073, dated March 28, 2019 (EASA AD 2019-0073). (d) Subject Joint Aircraft Service Component (JASC) Codes: 3097, Ice/Rain Protection System Wiring; 6410, Tail Rotor Blades. (e) Unsafe Condition This AD was prompted by a report of damage (burns) on the tail rotor blades (TRBs). The FAA is issuing this AD to address damage (burns) on the TRBs. The unsafe condition, if not addressed, could result in loss of a TRB, possibly resulting in reduced control of the helicopter. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Requirements Except as specified in paragraph (h) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, EASA AD 2019-0073. (h) Exceptions to EASA AD 2019-0073 (1) Where EASA AD 2019-0073 requires compliance in terms of flight hours, this AD requires using hours time-in-service. (2) Where EASA AD 2019-0073 refers to its effective date, this AD requires using the effective date of this AD. (3) Where the service information required by EASA AD 2019-0073 specifies returning a part to the manufacturer, this AD does not include that requirement. (4) This AD does not require the "Remarks" section of EASA AD 2019-0073. (5) Where paragraph (2) of EASA AD 2019-0073 specifies to replace if there are burn signs or other damage, for this AD, other damage is defined as being consistent with wire overheat ( e.g., possible melted or exposed wires). (i) No Reporting Requirement Although the service information referenced in EASA AD 2019-0073 specifies to submit certain information to the manufacturer, this AD does not include that requirement. (j) Special Flight Permit Special flight permits, as described in 14 CFR 21.197 and 21.199, are not allowed. (k) Alternative Methods of Compliance (AMOCs) (1) The Manager, International Validation 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 local Flight Standards District Office, as appropriate. If sending information directly to the manager of the International Validation Branch, send it to the attention of the person identified in paragraph (l) of this AD. Information may be emailed to: [email protected]. (2) Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/certificate holding district office. (l) Related Information For more information about this AD, contact Jacob Fitch, Aerospace Engineer, COS Program Management Section, Operational Safety Branch, Compliance & Airworthiness Division, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; phone: (817) 222-4130; email: [email protected]. (m) 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) European Union Aviation Safety Agency (EASA) AD 2019-0073, dated March 28, 2019. (ii) [Reserved] (3) For EASA AD 2019-0073, contact the EASA, Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany; phone: +49 221 8999 000; email: [email protected]; Internet: www.easa.europa.eu. You may find this EASA AD on the EASA website at https://ad.easa.europa.eu. (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. This material may be found in the AD docket on the internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2021-0671. (5) You may view this material 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. Issued on October 7, 2021. Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2021-24153 Filed 11-4-21; 8:45 am]BILLING CODE 4910-13-P