AD 83-07-17

83-07-17 PARTENAVIA COSTRUZIONI AERONAUTICHE S.p.A: Amendment 39- 4619. Applies to Models P68B and P68C (from S/N 123 thru S/N 241) airplanes certificated in any category.

Compliance: Required within the next 100 hours time-in-service after the effective date of this AD, unless already accomplished.

To prevent failure of the stop tube for the fuel selector control system, accomplish the following:

(a) Install stop tube kit (P/N 68-020) and adjust the fuel selector control receiver in accordance with Partenavia Costruzioni Aeronautiche S.p.A. Service Bulletin No. 52, dated March 20, 1981, and Service Instruction No. 13 dated March 24, 1981.

(b) Conduct engine run to perform operational check of fuel selector control. Place fuel selector control handle in right tank position and then the left tank position to determine if fuel flow is restricted.

(1) If fuel flow is not restricted, return airplane to service.

(2) If fuel flow is restricted, readjustfuel selector in accordance with Partenavia Costruzioni Aeronautiche S.p.A Service Instruction No. 13 dated March 24, 1981, and repeat operational check of fuel selector control in accordance with paragraph (b) of this AD.

(c) Aircraft may be flown in accordance with Federal Aviation Regulation 21.197 to a location where this AD can be accomplished.

(d) An equivalent method of compliance with this AD, if used, must be approved by the Manager, Aircraft Certification Staff, AEU-100, Europe, Africa and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium.

This amendment becomes effective on April 14, 1983.