69-15-07 BELL: Amendment 39-801. Applies to Bell Model 204B, 205A, and 205A-1 helicopters equipped with the Float Kit Installation, Part No. 204-706-053, or Part No. 205-706- 050.
Compliance required as indicated.
To prevent possible failure of the aft cross tube, Part No. 204-706-053-5, or Part No. 205-050-114-1, due to fatigue cracks, accomplish the following:
(a) Remove and replace aft cross tubes with 900 or more hours' time in service on the effective date of this AD within the next 100 hours' time in service.
(b) Remove and replace aft cross tubes with less than 900 hours' time in service on the effective date of this AD, prior to accumulating 1000 hours' time in service.
(c) Remove and replace all subsequent replacement aft cross tubes prior to accumulating 1000 hours' time in service.
(d) Operators not having kept time in service records on individual cross tubes should use float kit hours' time in service for the purpose of Paragraphs (a), (b), and (c) above.
(Bell Helicopter Company Service Bulletin No. 204B-5, 205A-3, dated April 2, 1969, pertains to this subject.)
This amendment becomes effective August 16, 1969.