78-07-11 HAWKER SIDDELEY AVIATION, LTD: Amendment 39-3172. Applies to AW-650 Series 101 airplanes certificated in all categories.
To detect corrosion in the wing joints which if left undetected could seriously affect the structural strength of the wing, accomplish the following:
(a) Before further flight, except that the airplane may be flown in accordance with FAR 21.197 and 21.199 to a base where the work can be performed, dismantle the intermediate to center joints and inspect and rework as necessary in accordance with the section entitled "Accomplishment Instructions" of Hawker Siddeley Aviation, Limited Service Bulletin 57/55, dated September 1977, or an FAA-approved equivalent.
For the purpose of complying with this AD the following Hawker Siddeley Aviation, Ltd., reports referenced in Service Bulletin 57/55 are applicable:
HSA-MES-R-650-0001, Issue 2, December 1977.
HSA-MES-R-650-0002, Issue 2, December 1977.
HSA-MES-R-650-0003, Issue 3, January 1978.
HSA-MES-R-650-0004, Issue 3, January 1978.
HSA-MES-R-650-0005, Issue 2, December 1977.
HSA-MES-R-650-0006, Issue 3, January 1978.
This amendment becomes effective April 20, 1978.