Airworthiness Directive

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Federal Aviation Administration

14 CFR Part 39

AD 57-21-01

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

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57-21-01 PIPER: Applies to All Model PA-23 Aircraft.

Compliance required at next regular inspection period but not to exceed 100 hours.

Inspect the attachment of the rudder trim tab control rod to the rudder trim tab. If a flat head pin has been installed it must be replaced by an AN 23-10 clevis bolt and AN 960-10L washer, secured with an AN 320-3 nut and AN 380-2-2 cotter pin.

(Piper Service Bulletin No. 159 covers this subject.)

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