Airworthiness Directive

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Federal Aviation Administration

14 CFR Part 39

AD 58-04-03

Airworthiness Directives; Piper Model PA-23 Aircraft
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58-04-03 PIPER: Applies to Model PA-23 Aircraft, Serial Numbers 23-1 to 2-1253 Inclusive.

Compliance required at next 100-hour inspection but not later than April 1, 1958, whichever occurs first.

As a result of a number of failures, the hollow rudder trim tab adjustment screw, P/N 18453-00, must be replaced with a solid screw, P/N 18453-02.

(Piper Service Bulletin No. 162 covers this same subject.)