2024-08-09: Electrical Power System Wiring

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: 2024-08-09 GA 8 Airvan (Pty) Ltd: Amendment 39-22742; Docket No. FAA-2024-0234; Project Identifier MCAI-2023-01215-A. (a) Effective Date This airworthiness directive (AD) is effective July 16, 2024. (b) Affected ADs None. (c) Applicability This AD applies to GA8 Airvan (Pty) Ltd Model GA8 airplanes, all serial numbers up to and including GA8-20-262; and Model GA8-TC320 airplanes, all serial numbers up to and including GA8-TC 320-20-261; certificated in any category. (d) Subject Joint Aircraft System Component (JASC) Code 2497, Electrical Power System Wiring. (e) Unsafe Condition This AD was prompted by reports of insufficient electrical bonding of the solenoid (relay) box assembly. The FAA is issuing this AD to address possible missing mechanical connections. The unsafe condition, if not addressed, could result in degraded electrical equipment performance, errors, or intermittent failures of equipment connected to electrical Bus 1, Bus 2, associated electrical control and protective devices fitted within or attached to the solenoid box, which could lead to loss of equipment essential for safe flight. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions (1) Within 100 hours time-in-service (TIS) after the effective date of this AD, inspect for a mechanical connection between the relay box earth point to the ground power socket in accordance with Part A, steps 1. through 4. of the Accomplishment Instructions in GippsAero Service Bulletin SB-GA8-2023-216, Issue 1, dated February 24, 2023 (GippsAero SB-GA8-2023-216, Issue 1), except where step 4. specifies to proceed to the Documentation section to update the airplane logbook, that action is not specifically required by this AD. (2) If no mechanical connection between the relay box earth point to the ground power socket is found during the inspection required by paragraph (g)(1) of this AD, before further flight, install a mechanical connection in accordance with Part B, steps 1. through 3. of the Accomplishment Instructions in GippsAero SB-GA8-2023-216, Issue 1. (h) Alternative Methods of Compliance (AMOCs) 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, mail it to the address identified in paragraph (i) of this AD or email to: 9-AVS-AIR-730-AMOC@faa.gov. If mailing information, also submit information by email. 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. (i) Additional Information For more information about this AD, contact Doug Rudolph, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; phone: (816) 329-4059; email: doug.rudolph@faa.gov . (j) Material Incorporated by Reference (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. (2) You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise. (i) GippsAero Service Bulletin SB-GA8-2023-216, Issue 1, dated February 24, 2023. Note 1 to paragraph (j)(2)(i): The date on the first page of this document is February 24, 2023, and the date on the subsequent pages is February 25, 2023. (ii) [Reserved] (3) For service information identified in this AD, contact GA8 Airvan (Pty) Ltd, GippsAero Technical Services, P.O. Box 881, Morwell, Victoria 3840, Australia; phone: +61 (0)3 5172 1200; email: TECHPUBS@gippsaero.com.au; website: gippsaero.com.au. (4) You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 901 Locust, Kansas City, MO 64106. For information on the availability of this material at the FAA, call (817) 222-5110. (5) You may view this material at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, isit www.archives.gov/federal-register/cfr/ibr-locations or email fr.inspection@nara.gov. Issued on May 22, 2024. James D. Foltz, Deputy Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2024-12588 Filed 6-10-24; 8:45 am]BILLING CODE 4910-13-P