89-07-06: Engine Fire Extinguisher Systems

89-07-06 BRITISH AEROSPACE (BAe) PLC: Amendment 39-6161. Applicability: Model 3101 Jetstream (serial numbers 601 through 619) airplanes certificated in any category. Compliance: Required within the next 50 hours time-in-service after the effective date of this AD, unless already accomplished. To prevent loss of the airplane due to failure of the engine fire protection system, accomplish the following: (a) Inspect the right and left hand engine fire extinguisher systems to ensure that existing electrical connections to the fire extinguisher cartridges are correct in accordance with PART A-INSPECTION, under the Section 2 ACCOMPLISHMENT INSTRUCTIONS of British Aerospace Civil Aircraft Division (BAe) Alert Service Bulletin (ASB) Jetstream 26-A- JA881142, Rev 1, dated January 10, 1989. Prior to further flight, modify electrical connections that are not correct in accordance with Part B of the above referenced ASB. (b) Inspect the engine fire extinguisher cartridges in accordance with PART B- REPLACEMENT OF TERMINAL TAGS, under the ACCOMPLISHMENT INSTRUCTIONS of BAe ASB Jetstream 26-A-JA881142, Rev 1, dated January 10, 1989. Prior to further flight, replace any Part Number 13085-5 fire extinguisher cartridges with Part Number 30903819 cartridges. (c) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished. (d) An equivalent means of compliance with this AD may be used if approved by the Manager, Brussels Aircraft Certification Staff, FAA, AEU-100, Europe, Africa, and Middle East Office, c/o American Embassy, B-1000 Brussels, Belgium. All persons affected by this directive may obtain copies of the documents referred to herein upon request to British Aerospace Inc., Technical Librarian, P.O. Box 17414, Dulles International Airport, Washington D.C. 20041; Telephone (703) 435-9100; or British Aerospace PLC, Aircraft Group, Scottish Division, Prestwick Airport, Ayrshire KA9 2RW U.K. (0292)79888; or may examine these documents at the FAA, Office of the Assistant Chief Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106. This amendment (39-6161, AD 89-07-06) becomes effective on April 20, 1989.