69-08-03 VICKERS: Amdt. 39-747. Applies to Viscount Models 744, 745D, and 810 Series airplanes.
Compliance required within the next 1000 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent discharge of power plant fire extinguishant into the wrong power plant due to incorrect assembly of power plant fire extinguisher bottles, install interference brackets and retaining cables to the detachable clip assemblies at the fire extinguishing bottle neck at the inner and outer nacelle mountings in accordance with British Aircraft Corporation Modification Bulletin D.3218 dated July 14, 1968 (700 Series) or Modification Bulletin FG.2094 dated July 14, 1968 (800/810 Series) or later ARB-approved issues or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa and Middle East Region.
This amendment becomes effective May 11, 1969.