SDR UALA2011111406190

Service difficulty report · Fuel/Oil Cooler · Boeing 757222

Difficulty date: November 12, 2011
Submitted: November 14, 2011
Operation: Air carrier
Aircraft: N545UA
Make and model: Boeing 757222
Aircraft serial: 25323
Aircraft time: 75,925 hours, 22,000 cycles
Engine: Pwa PW2037
System (JASC): 7311 · Engine Fuel/Oil Cooler
Part: Fuel/Oil Cooler
Condition: Leaking
Location: Nr 1 Engine
Stage of operation: IN
How discovered: O
Nature of condition: K
Precautionary procedure: K

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

What was found

CREW REPORTED OIL LEAK NR 1 ENGINE. OPENED ENG COWL, CLEANED AND INSPECTED NR 1 ENGINE. NO LEAK FOUND. ACCOMPLISHED ENGINE IDLE RUN. FOUND OIL DRIPS FROM FUEL-OIL HEAT EXCHANGER. THREE DROPS PER MINUTE AFTER SHUTDOWN. LEAK RATE IN LIMITS.