Service difficulty report · Oil System · Boeing 777222

Difficulty date
July 29, 2009
Submitted
August 5, 2009
Operation
Air carrier
Aircraft
N204UA
Make and model
Boeing 777222
Aircraft serial
28713
Aircraft time
47,162 hours, 6,776 cycles
Engine
Pwa PW40903
Part
Oil System
Condition
Overserviced
Location
Nr 2 Engine
Stage of operation
NR
How discovered
9
Nature of condition
W
Precautionary procedure
O

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

What was found

NR 2 ENG OIL CONSUMPTION EXCEEDS LIMIT. NO HISTORY OF HOC, OIL HIDING, OR HIGH OIL TEMP. NO EVIDENCE OF OIL LEAK IN INLET OR EXHAUST. RAN ENG 2 AND CHECKED FOR EXTERNAL LEAKS. NO LEAKS NOTED AND NO LEAKS FROM ENG DRAINS. AFTER 30 MINS, REMOVED OIL CAP AND APPROX 2 QTS OF OIL EXITED OVERBOARD. SUSPECT ENG OVERSERVICED.