SDR UALA2013042202730

Service difficulty report · Oil System · Boeing 777222

Difficulty date: April 18, 2013
Submitted: May 22, 2013
Operation: Air carrier
Aircraft: N777UA
Make and model: Boeing 777222
Aircraft serial: 26916
Aircraft time: 73,102 hours, 13,100 cycles
Engine: Pwa PW4077
System (JASC): 7261 · Turbine Engine Oil System
Part: Oil System
Condition: Overserviced
Location: Rt Engine
Stage of operation: NR
How discovered: 9
Nature of condition: B
Precautionary procedure: O

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

What was found

OIL ODOR NOTICED IN THE FORWARD CABIN. AS FLIGHT PROGRESSED THE OIL ODOR LESSENED. FOUND ON ARRIVAL, RT ENGINE OIL INDICATION TO 28 QUARTS DRAINED TO CORRECT LEVEL. CARRIED OUT CHECKS REF FIM 21-00 TASK 808 AND ASSOCIATED TESTS OUTLINED PG 216. OPERATED ENGINES TO EPR 1.25 REF MM 71-00-00 PG 501 TEST 9 AND JRH 2-2-1. INITIAL ODOR FOUND IN 130365 COCKPIT. DISSIPATED WITH TIME DURING RUN. CONTINUED RUN FOR FURTHER FORTY MINUTES, NO FURTHER FAULTS NOTED.