Service difficulty report · Seal · Boeing 767322

Difficulty date
February 13, 2017
Submitted
February 14, 2017
Operation
Air carrier
Aircraft
N651UA
Make and model
Boeing 767322
Aircraft serial
25389
Aircraft time
103,979 hours, 16,109 cycles
Part
Seal
Part number
70R608600U
Condition
Leaking
Location
Nr 1 Engine
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

NR 1 ENGINE OIL QTY SLOWLY DECREASED TO 0. OIL PRESS HELD STEADY FOR A WHILE. EMERGENCY DECLARED. ENGINE IDLE RUN TEST CONFIRMED OIL LEAK FROM OIL SEAL DRAIN FOR THE IDG DRIVE. REMOVED IDG, REPLACED IDG DRIVE OIL SEAL & ASSOCIATED PACKING GROOVE PER AMM 72-61-04/401. IDG REINSTALLED PER AM M 24-11-01/401. IDG LEAK CHECK AND OPS TEST PER AMM 24-11-01/501. OPS GOOD, NO LEAKS FOUND.