Service difficulty report · Apu · Boeing 777222

Difficulty date
September 19, 2012
Submitted
September 20, 2012
Operation
Air carrier
Aircraft
N797UA
Make and model
Boeing 777222
Aircraft serial
26924
Aircraft time
65,222 hours, 9,129 cycles
Engine
Pwa PW40903
Part
Apu
Part number
331500B
Part serial
P1059331
Condition
Making Metal
Location
Apu Bay
Stage of operation
IN
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

APU CONTROL STATUS MSG. LATCHED FAULT MSG 49-12990. FIM TASK 49-20-813 - CHECKED CHIP DETECTORS PER AMM 49-27-04 AND FOUND LARGE QUANTITY OF PARTICLES ON OIL SUMP DETECTOR AND SMALL (FUZZ) ON TURBINE BEARING SCAVENGE DETECTOR. COMPLETED APU INSTALLATION PER MM. OPS AND LEAK CHECK'S OKAY.