75-27-08 PIPER: Amendment 39-2481 as amended by Amendment 39-2624. Applies to Models PA-24, PA-24-250 and PA-24-260, Serial Nos. 24-1 through 24-5047; PA-24-400, Serial Nos. 26-2 through 26-148; PA-30, Serial Nos. 30-1 through 30-2000; PA-39, Serial Numbers 39- 1 through 39-155, certificated in all categories.
Compliance required as indicated.
To prevent possible hazards in flight associated with damaged rivets which attach the stabilator torque tube bearing support fittings P/Ns 20420-00, -01 and 20419-00, -01 to the aft fuselage, accomplish the following;
(a) Within the next 50 hours in service from the effective date of this AD unless previously accomplished, inspect in accordance with paragraph (b).
(b) Inspect each of the four stabilator torque tube bearing block attachment fittings that do not have Piper Kit 760835 or equivalent incorporated, as follows:
(1) Remove the right rear aft fuselage access door.
(2) Using a light and mirror (with extension), view through the access opening to determine if any of the horizontally positioned rivets through the skin align with any of the vertically positioned rivets through the support fittings.
(c) If more than one rivet is so aligned and there is a penetration of more than one of five forward vertical rivets, Piper Kit 760835 or equivalent shall be installed in the affected fitting before further flight, except that the airplane may be flown in accordance with FAR 21-197 to a base where a repair can be made.
(d) Equivalent repairs must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (Piper Service Bulletin No. 464A, refers to this subject.)
Amendment 39-2481 was effective December 31, 1975.
This amendment 39-2624 is effective June 3, 1976.