Service difficulty report · Fmu · Boeing 777222

Difficulty date
April 26, 2011
Submitted
May 27, 2011
Operation
Air carrier
Aircraft
N229UA
Make and model
Boeing 777222
Aircraft serial
30557
Aircraft time
39,128 hours, 4,788 cycles
Engine
Pwa PW40903
Part
Fmu
Part number
8088001
Part serial
65
Condition
Leaking
Location
Nr 2 Engine
Stage of operation
NR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

OIL LOSS & FUEL LEAK NR 2 ENG FMU HAS FUEL LEAK AT WEEP HOLE ON "PF" PORT, FUEL PUMP HAS BOLT THAT WILL NOT TIGHTEN ON COVER PLATE 7:00 POSITION ON PUMP. REPLACED FUEL PUMP PER AMM AND FMU PER AMM. OIL QTY LOW. RT ENG OIL QTY AT 12. ALL CHIP DETECTORS OK, NO EXTERNAL LEAKAGE AT SCAVENGE LINES. LEFT SIDE OF ENGINE WET AROUND FUEL OIL COOLER. ACCOMPLISHED PRESSURE LEAK CHECK OF OIL SYSTEM. FOUND LEAKAGE AT SERVO FUEL HEATER. REMOVED SERVO FUEL HEATER REF MM. REPLACED FUEL SERVO HEATER PER MM.