Service difficulty report · Coupling · Boeing 767322

Difficulty date
May 23, 2013
Submitted
July 2, 2013
Operation
Air carrier
Aircraft
N646UA
Make and model
Boeing 767322
Aircraft serial
25283
Aircraft time
92,133 hours, 14,662 cycles
Engine
Pwa PW4060
Part
Coupling
Condition
Leaking
Location
Rt Idg
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

CHRONIC RT IDG LOW OIL. DUE TO CONTINUED RT IDG TRIPPING INCLUDING A REJECTED TAKEOFF ACCOMPLISH THE FOLLOWING. FOUND PUDDLE OF OIL IN CORE COWLS JUST UNDER IDG. CLEANED COWLS AND IDG OIL LINES, INSPECTED LINES FROM IDG TO AIR-OIL COOLER AND TO FUEL-OIL COOLER WITH ENG AT IDLE NO LEAKS NOTED. FOUND LEAK COMING FROM IDG 118169 OIL OVERFLOW COUPLING. REPLACED OVERFLOW COUPLING, REF SUBTASK 24-11-01-434-033. REPLENISHED IDG OIL TO FULL REF AMM 12-13-03-301. RAN NR 2 ENG AT IDLE FOR 10 MIN AND ACCOMPLISHED LOAD TEST REF STEP F, AMM 24-11-00-715-105. LOAD TEST GOOD. NO OIL LEAK FROM OVERFLOW COUPLING.