Airworthiness Directive

Federal Register Information

Header Information
DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

AD 55-08-04



Airworthiness Directives; Piper Model PA-22 Aircraft
PDF Copy (If Available):



Preamble Information
AGENCY: Federal Aviation Administration, DOT













Regulatory Information

55-08-04 PIPER: Applies to Model PA-22 Serial Numbers 22-1621 Through 22-1625, 22-1627, 22-1630, 22-1633, 22-1634, 22-1637.

Compliance required as soon as possible but not later than July 1, 1955.

The Hypass No. 48P6 ignition filters should be removed from the magnetos and replaced with magneto filter, Piper No. 63149 (Lear) obtainable from the Piper Service Department. It has been found that the Hypass No. 48P6 filters short and ground out the magnetos when subjected to a temperature which has been reported to be equal to the engine accessory temperature after a series of takeoffs have been performed.



Footer Information


Comments