AD 69-15-05

69-15-05 BOEING: Amdt. 39-804. Applies to Model 727 Series airplanes.

Compliance required as indicated.

To prevent a slow discharge or no discharge of the engine fire extinguisher container, accomplish the following:

(a) Within the next 1000 hours' time in service after the effective date of this AD unless already accomplished, and after each discharge regardless of time in service, inspect the Accessory Products Company (APCO) fire extinguisher outlet body P/N 805516 to determine that the gas port diameter has not been reduced below the allowable limit as set out in APCO Service Bulletin No. 26-04, dated March 31, 1969, or later FAA approved revision or an equivalent method approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(b) If an outlet body is found which is below the allowable limit, replace it, or modify it in accordance with APCO Service Bulletin No. 26-04 or later FAA approved revision or an equivalent method approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(c) Within the next 3000 hours' time in service after the effective date of this AD unless already accomplished, modify the APCO fire extinguisher outlet body P/N 805516 in accordance with APCO Service Bulletin NO. 26-04 or later FAA approved revision or an equivalent method approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(d) Upon completion of the modification described in (b) or (c), the inspection requirement of (a) is no longer applicable.

This amendment becomes effective on July 25, 1969.