Airworthiness Directive

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Federal Aviation Administration

14 CFR Part 39

Amendment 39-3545; AD 79-11-06

Airworthiness Directives; Piper Model PA-23 Series Aircraft
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AGENCY: Federal Aviation Administration, DOT

DATES: Effective August 29, 1979.

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79-11-06 PIPER: Amendment 39-3481 as amended by Amendment 39-3545. Applies to all PA-23 series aircraft, certificated in all categories, which have landing gear selector lever, P/N 752303, installed.

To prevent possible failure of the landing gear selector lever, Piper Part No. 752303 accomplish the following:

a. Within the next 50 hours in service after the effective date of this AD, unless already accomplished, inspect the landing gear selector lever in accordance with Instructions Section in Piper S/B No. 635 steps (1) through (4) or equivalent inspection.

b. If cracks are found, replace the landing gear selector lever with lever Piper P/N 761213 or equivalent before further flight.

c. If no cracks are found, repeat the inspection in (a) at intervals not to exceed 100 hours in service. The requirements of this AD may be cancelled upon installation of landing gear selector lever Piper P/N 761213 or equivalent.

d. Equivalent inspections and replacements must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.

e. Upon submission of substantiating data by an owner or operator through an FAA Maintenance Inspector, the Chief, Engineering and Manufacturing Branch, Eastern Region, may adjust the inspection intervals specified in this AD.

Amendment 39-3481 was effective June 5, 1979.

This Amendment 39-3545 is effective August 29, 1979.

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Updated RGL applicability to match AD applicability; CAR C-11-185