Service difficulty report · Idg · Boeing 767322

Difficulty date
September 23, 2026
Submitted
September 24, 2026
Operation
Air carrier
Aircraft
N674UA
Make and model
Boeing 767322
Aircraft serial
29242
Aircraft time
91,031 hours, 17,580 cycles
Engine
Pwa PW4060
Engine time
14,670 hours, 1,968 cycles
Part
Idg
Part number
745329C
Part serial
G0802
Condition
Faulted
Location
Nr 1
Part time
732,820 hours, 703,762 cycles
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
B, A

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

What was found

LEFT ENG OIL PRESSURE DROPPED TO RED LEVEL. LT ENG SHUTDOWN. OIL PRESS REMAINED AT 58. OIL LIFTED BY 22QTS. LT ENG IDLE RUN ACCOMP FOR 5 MINS WHILE MONITORING OIL QTY IAW AMM 71-00-00-712-021-N00. SHUTDOWN ENG, OIL QTY DROPPED 1 QT & PUDDLE OF OIL UNDER ENG. OIL FROM IDG DRAIN TUBE. POST ENGINE RUN NR 1 ENG IDG REMOVAL C/OUT IAW AMM 24-11-01-004-002-006. NR 1 ENG IDG REMOVAL COMPLETED IAW AMM 24-11-01-004-002-006 . INSTALL CARRIED OUT IAW AMM 24-11-01-404-001-006. LT ENG IDG OPS TEST PASSED IAW AMM 24-11-00-715-005. TEST 3 GROUND IDLE RUNS IAW AMM 71-00-00-795-003-N00. IDG OPS NORMAL, NO LEAKS. IDT C/O NR 1 ENG IDG REFIT IAW GMM 09-10-05 I.4.B.1 AND AMM 24-11-01-404-001-006, OK TO CONTINUE.