69-08-04 BRITISH AIRCRAFT CORPORATION: Amdt. 39-748. Applies to Model BAC 1-11, 203/AE and 204/AF airplanes.
Compliance required within the next 2500 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent fuel leakage into the wing center section torque box area, replace the aluminum alloy refuel/defuel valve housing P/N AB 45A101 with modified stainless steel valve housing P/N AB 45A1239 in accordance with BAC 1-11 Service Bulletin No. 28-PM 924 or later ARB-approved issue or FAA-approved equivalent.
This amendment becomes effective May 11,1969.