92-02-19 PL: Fuel Manifold Assembly Leak

92-02-19 GARRETT ENGINE DIVISION, ALLIED-SIGNAL INCORPORATED: Priority Letter AD 92-02-19, issued on January 14, 1992. Applicability: Garrett Engine Division, Allied-Signal Incorporated Model TPE331-8, -10, -11, and -12 series turboprop engines installed on but not limited to Cessna Model 441 series (Conquest or Conquest II), Construcciones Aeronauticas, S.A. (CASA) 212 series, Twin Commander 695 series, Mitsubishi MU-2B series (Marquise/ Solitaire), Fairchild SA226 and SA227 series (Merlin and Metro), and British Aerospace (BAe) Jetstream 3101 and 3201 series (31 and 32) aircraft. Compliance: Required as indicated, unless previously accomplished. To prevent an engine fire caused by a fuel manifold assembly leak, accomplish the following: (a) Within the next 50 hours time in service after receipt of this Priority Letter AD, remove from service in accordance with the Accomplishment Instructions of Garrett Engine Division, Allied-Signal Alert Service Bulletin (SB) No. TPE331-A73-0198, Revision 1, dated January 10, 1992, Stratoflex fuel manifold assemblies, Part Number 3102469-2, manufactured on the dates listed in the SB, and those fuel manifold assemblies having no identification tag. (b) Prior to further flight replace affected fuel manifold assembly with a serviceable part. (c) Aircraft may be ferried in accordance with the provisions of FAR 21.197 and 21.199 to a base where the Priority Letter AD can be accomplished. (d) Upon submission of substantiating data by an owner or operator through an FAA Inspector (maintenance, avionics, or operations, as appropriate), an alternative method of compliance with the requirements of this AD or adjustments to the compliance times specified in this AD may be approved by the Manager, Los Angeles Aircraft Certification Office, Transport Airplane Directorate, Aircraft Certification Service, FAA, 3229 East Spring Street, Long Beach, California 90806-2425, may approve an equivalent means ofcompliance or adjustment of the compliance schedule which provides an equivalent level of safety. This Priority Letter AD 92-02-19, issued on January 14, 1992, becomes effective immediately upon receipt.