Service difficulty report · Shutoff Valve · Boeing 767306

Difficulty date
July 28, 2021
Submitted
August 2, 2021
Operation
Air carrier
Aircraft
N1321A
Make and model
Boeing 767306
Aircraft serial
27957
Part
Shutoff Valve
Part number
36168482
Part serial
1436
Condition
Faulted
Location
Apu Oil System
Stage of operation
IN
How discovered
9
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

APU OIL SHOWS 50%(<P>SERVICED APU 1 QUART, SHOWS FULL, PERFORMED INSPECTION AT APU, NO LEAKS NOTED I/A/W AMM 49-05-03 AND 12-13-04. TRANSFERRED TO MDDR # 150932, CAT C, PER DDG 49-11-01A.</P> / <P>LP 1369331 ITEM 7: T/S APU OIL LEAK PER B767 FIM 49-11, FAULT TREE 972. PROCEEDED TO REMOVE AND REPLACE APU SHUTOFF VALVE ASSY IAW B767 AMM 49-27-11. VALVE AND APU CHKS OK. NO LEAKS NOTED AT THIS TIME. THIS CLEARS DMI# 150932. MEL AND PLAC REMOVED.</P>)