74-18-13 PIPER: Amendment 39-1939. Applies to Model PA-32-260 Serial Numbers 32-7400001 through 32-7400050 and Model PA-32-300 Serial Numbers 32-7440001 through 32- 7440086 and 32-7440088 through 32-7440160, certificated in all categories.
Compliance required within the next 50 hours time in service from the effective date of this AD unless already accomplished.
To prevent excessive nose gear vibration install Piper Kit No. 760885V in accordance with Piper Service Bulletin No. 428 or an equivalent modification approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region.
Upon request of the operator, an FAA maintenance inspector, subject to prior approval of the Chief, Engineering and Manufacturing Branch, Federal Aviation, Southern Region, may adjust the compliance time specified in this AD to permit compliance at an established inspection period of the operator if the request contains substantiation to justify theincrease for that operator.
This amendment becomes effective September 3, 1974.