Airworthiness Directive

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Federal Aviation Administration

14 CFR Part 39

Amendment 39-1243; AD 71-14-06

Airworthiness Directives; Piper Models PA 28-140, PA 28-150, PA-28-160, PA-28-180, and PA-28-235 Airplanes
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AGENCY: Federal Aviation Administration, DOT

DATES: Effective July 9, 1971.

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71-14-06 PIPER: Amdt. 39-1243. Applies to PA 28-140 airplanes Serial Numbers 28- 20001 through 28-23042, PA 28-150/-160/-180 airplanes Serial Numbers 28-1 through 28-4033, and PA 28-235 airplanes Serial Numbers 28-10001 through 28-10718, certificated in all categories.

Compliance required within the next 50 hours' time in service after the effective date of this airworthiness directive unless already accomplished.

To prevent possible inadvertent grounding of magnetos, accomplish the following:

(a) Visually inspect the two terminals of the magneto filters on the aft side of the firewall. If these terminals are not insulated, install electrical nipples Piper P/N 23969-02 in accordance with Piper Service Bulletin 313, dated July 1, 1970, or later approved revision, or FAA approved equivalent.

This amendment becomes effective July 9, 1971.