83-22-04: Injector Fuel Diaphragm Stem

83-22-04 AVCO LYCOMING: Amendment 39-4748. Applies to all Avco Lycoming IO-540-G1B5, -G1C5, -G1D5, -K1A5, -K1A5D, -K1B5, -K1C5, -K1D5, -K1F5, -K1F5D, -K1G5, -K1G5D, -K1J5, -K1J5D, - M1B5D, -S1A5, -AA1A5: AEIO-540-L1B5D; TIO-540-F2BD, -J2BD, -N2BD, -S1AD, -U2A, -V2AD; LTIO-540-F2BD, -J2BD, -N2BD, S1AD -U2A, -V2AD; LTI-540-F2BD, -J2BD, -N2BD, -U2A, -V2AD; TIO-541-E1A4, -E1B4, -E1C4; TIGO-541-E1A, series engines equipped with Bendix Models RSA-10DB1, RSA-10DB2, RSA-10ED1, and RSA-10ED2 fuel injectors as identified in Bendix Service Bulletin RS-88, including Supplement 1, Section 1.A. (1), (2) and (3). Compliance required within the next 50 hours in service after the effective date of this AD, unless previously accomplished. To prevent engine failure due to fatigue failure of the injector fuel diaphragm stem, replace P/N 2539806 fuel diaphragm assembly with P/N 2541803 and perform flow calibration and nameplate reidentification in accordance with Section 2 Accomplishment Instructions of Bendix Energy Controls Division Service Bulletin RS-85, or FAA approved equivalent. An equivalent method of compliance with this AD, may be used if approved by the Manager, New York Aircraft Certification Office, FAA, New England Region. Upon submission of substantiation data by an owner or operator through an FAA maintenance inspector, the Manager, New York Aircraft Certification Office, may adjust the compliance time specified in this AD. In accordance with FAR 21.197 and 21.199, the aircraft may be flown to a location where the alterations required by this AD can be performed. AVCO Lycoming S/B No. 467, Bendix Energy Control Service Bulletin Nos. RS-85 including Supplement No. 1, Revised August 10, 1983, and RS-88 including Supplement No. 1, Revised August 10, 1983, identified and described in this directive are incorporated herein and made by reference a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents may obtain copies upon request to Bendix Energy Controls Division, 717 North Bendix Drive, South Bend, Indiana 46620. These documents may also be examined at the Office of Regional Counsel, FAA New England Regional Office, 12 New England Executive Park, Burlington, Massachusetts 01803. A historical file on this AD is maintained at the New England Regional Office. This amendment becomes effective on November 4, 1983.