73-01-03 AIR CRUISERS CO: Amendment 39-1580. Applies to all Model AD-8 life jackets manufactured on or before 15 October 1971.
Compliance required within 120 days after the effective date of this AD, unless already accomplished.
To preclude air chamber deflation from defective inflator manifold stem assemblies, accomplish alteration of the aforementioned life jackets in accordance with either:
a. Air Cruisers Co. Service Bulletin No. 112-72-1, dated 6 March 1972; or
b. Any other method approved as equivalent by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
Upon request submitted through a maintenance inspector, accompanied by substantiating data, the compliance time specified in the AD may be increased by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
This amendment is effective January 17, 1973.