77-02-06 PIPER: Amendment 39-2816. Applies to Model PA-36-285, Serial Nos. 36-7360003 through 36-7560044 certificated in all categories except aircraft incorporating Piper Kit Part Number 760 933.
To prevent possible hazards in flight associated with elongation of bolt holes at the forward and/or aft wing attachment fittings, accomplish the following:
(a) Within the next 50 hours in service from the effective date of this AD or upon the attainment of 500 total hours in service whichever is later unless previously accomplished within the past 500 hours in service, and at intervals not to exceed 500 hours in service from the last inspection, inspect and alter, if necessary, the forward and/or aft wing attachment fittings in accordance with the instructions section of Piper Service Bulletin No. 471A dated July 16, 1976, or equivalent.
(b) Upon the incorporation of Wing Fitting Modification Kit, Piper Part Number 760 933 or equivalent, compliance with the requirementsof this AD may be dispensed with.
(c) Equivalent inspections and repairs must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
(d) Upon submission of substantiating data by an owner or operator through an FAA Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region may adjust the inspection intervals specified in this AD.
This amendment is effective January 28, 1977.