80-02-07 BRITISH AEROSPACE: Amendment 39-3657. Applies to British Aerospace Model HS 125 Series 700 airplanes with pressure refuel/defuel system installed, certificated in any category.
Compliance is required as indicated unless already accomplished.
To prevent the failure of the aluminum HTE "V" clamps installed in the pressure refuel and defuel system, within the next 50 hours time in service or within the next 28 days after the effective date of this AD, whichever occurs sooner, incorporate British Aerospace modification 252694, or an equivalent modification approved by the Chief, Aircraft Certification Staff, AEU- 100, Europe, Africa, and Middle East Region, Federal Aviation Administration, c/o American Embassy, Brussels, Belgium.
NOTE: British Aerospace Service Bulletin 28-67 revision 1 dated December 19, 1978 and Service Bulletin 28-A66 dated October 3, 1978 refer to this same subject.
This amendment becomes effective January 24, 1980.