AD 78-08-10

78-08-10 PIPER: Amendment 39-3192. Applies to Piper Aircraft Models PA-31 and PA-31-325 NAVAJO, Serial Numbers:

31-7612040 thru 31-7812023 31-7812025 thru 31-7812035 31-7812038 thru 31-7812041 and 31-7812043 thru 31-7812047

To prevent hazards associated with the fuel selector lever becoming disconnected due to missing parts, accomplish the following within the next 10 hours in service:

1. Remove fuel control panel royalite cover and two belly access plates immediately forward of the main spar, exposing the left and right selector lever pivot attachment points.

2. Inspect each lever for the following attachment hardware (per lever):

a) One (1) MS24694-S63 screw (Piper Part Number 410 050);

b) One (1) MS20365-1032C nut (Piper Part Number 407 807);

c) One (1) AN960-10 washer (Piper Part Number 407 564);

d) Two (2) ESNA Part Number 59-022-094-0625 roll pin (Piper Part Number 480 696).

NOTE: The nut, washer, and roll pins areon the aft side of the fuel control panel and are more easily viewed from the belly access holes.

3. Install any missing hardware.

4. Inspect lever operation and reinstall panel cover and access plates.

5. The aircraft may be flown in accordance with FAR 21.197 to a location where the AD can be accomplished. (Piper Service Bulletin No. 592, February 16, 1978, pertains to this subject.)

This amendment is effective April 25, 1978.