84-26-03 CFM INTERNATIONAL: Amendment 39-4976. Applies to all Model CFM 56-2 turbofan engines incorporating fuel injector P/N 9984M90G20.
Compliance is required as indicated unless already accomplished.
To prevent flameouts in engines equipped with fuel injectors without heat shields, accomplish the following:
Replace all fuel injectors, P/N 9984M90G20 with P/N 9984M90G28 or P/N 9984M90G14 fuel injectors in accordance with CFM56 SB 73-021, or approved fuel nozzles in accordance with SBs 73-024 and 73-034, or FAA approved equivalent.
(a) For engines being operated with JP-4 fuel (or equivalent) or with a mixture containing JP-4, compliance is required within 30 days of the effective date of this AD.
(b) For engines which are operated only with Jet A fuel (or equivalent), compliance is required by January 31, 1986.
Aircraft may be ferried in accordance with the provisions of Federal Aviation Regulations (FARs) 21.197 and 21.199 to a base where the AD canbe accomplished.
Upon request, an equivalent means of compliance with the requirements of this AD may be approved by the Manager, Engine Certification Office, Aircraft Certification Division, FAA, New England Region, 12 New England Executive Park, Burlington, Massachusetts 01803.
The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received this document from the manufacturer may obtain copies upon request to CFM International, Neumann Way, Cincinnati, Ohio 45215. This document also may be examined at the Office of the Regional Counsel, FAA, New England Region, Attn: Rules Docket No. 83-ANE-30, 12 New England Executive Park, Burlington, Massachusetts 01803, weekdays, except Federal Holidays, between 8:00 a.m. and 4:30 p.m.
This amendment becomes effective on February 22, 1985.