Airworthiness Directive

Federal Register Information

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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

AD 51-23-03



Airworthiness Directives; Piper Models PA-16, PA-20, and PA-22 Aircraft
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AGENCY: Federal Aviation Administration, DOT













Regulatory Information

51-23-03 PIPER: Applies to Model PA-16 Aircraft, Serial Numbers 16-1 and Up; PA-20 Aircraft, Serial Numbers 20-1 Through 20-802; and PA-22 Aircraft, Serial Numbers 22-1 Through 22-348.

Compliance required as soon as possible, but not later than October 15, 1951.

Install insulators of sufficient area inside the battery box cover over the battery terminals to positively prevent a metallic contact between the wing nuts or terminals and cover. Hard fiber rubber or phenolic insulating materials 1/16-inch minimum thickness may be used.

(Piper Service Bulletin No. 118 covers this same subject.)



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