Airworthiness Directive

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

Amendment 39-3579; AD 79-20-10



Airworthiness Directives; Piper Model PA-24, PA-24-250, PA-24-260, PA-24-400, PA-30, and PA-39 Airplanes
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AGENCY: Federal Aviation Administration, DOT





DATES: Effective October 4, 1979.






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79-20-10 PIPER: Amendment 39-3579. Applies to the following Piper Model airplanes:
    PA-24
Serial Nos. 24-1 and up
    PA-24-250
Serial Nos. 24-1 and up
    PA-24-260
Serial Nos. 24-3642, 24-4000 and up
    PA-24-400
Serial Nos. 26-1 and up
    PA-30
Serial Nos. 30-1 and up
    PA-39
Serial Nos. 39-1 and up,

certificated in all categories except airplanes incorporating Piper Kit Part No. 763 893:

(a) Within the next 50 hours in service, after the effective date of this AD, unless already accomplished within the past 50 hours in service and at intervals not to exceed 100 hours in service thereafter, inspect in accordance with paragraph "Instructions" in Service Letter No. 850 dated April 18, 1979, Parts 1, 2, 3, 4a, b and c or equivalent inspection.

(b) Upon incorporation of Piper Kit No. 763 893 or equivalent, compliance with this AD may be terminated.

(c) Equivalent parts and inspections and alterations must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.

(d) Upon submittal 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 supersedes AD 74-10-03.

This amendment is effective October 4, 1979.