SDR UALA2012010900172

Service difficulty report · Pump · Boeing 777222

Difficulty date: January 9, 2012
Submitted: January 9, 2012
Operation: Air carrier
Aircraft: N795UA
Make and model: Boeing 777222
Aircraft serial: 26927
Aircraft time: 63,097 hours, 9,098 cycles
Engine: Pwa PW40903
System (JASC): 7920 · Engine Oil Distribution (Airframe Furnished)
Part: Pump
Condition: Faulty
Location: Oil System
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

LOW OIL PRESSURE & QTY, FLIGHT DIVERTED. CREW REPORTS NR 1 ENG OIL QTY INDICATING 0 WITH OIL TEMP 160 & OIL PRESS 135. RT ENG OIL QTY 15 OIL TEMP 115 & OIL PRSS 247. MAINT TEXT: CREW REPORTS TO MAINT ON ARRIVAL THAT OIL QTY STARTED TO RECOVER ON DESCENT AND QTY, TEMP AND PSI WERE NORMAL AT GATE ON ARRIVAL. REPLACED LUBE AND SCAV PUMP AND NR 3 BEARING TUBE PER MM. REPLACED NR 1 ENG OIL QTY TRANSMITTER IAW MM.