69-13-04 PIPER AIRCRAFT CORP: Amdt. 39-826. Applies to PA-31 and PA-31-300 airplanes, serial numbers 31-2 through 31-259.
Compliance required as indicated:
Modify the landing gear warning system to comply with FAR 23.729(e) (formerly CAR 3.359) as follows:
(a) Within the next 100 hours' time in service after the effective date of this AD, unless already accomplished, modify the aircraft in accordance with instructions contained in Piper Kit 760-250 dated October 23, 1968, or an alternative method approved by the Chief, Engineering & Manufacturing Branch, FAA Eastern Region.
Effective July 3, 1969, revised September 3, 1969.