Service difficulty report · Gearbox · Boeing 777222

Difficulty date
January 7, 2009
Submitted
January 8, 2010
Operation
Air carrier
Aircraft
N798UA
Make and model
Boeing 777222
Aircraft serial
26928
Aircraft time
47,545 hours, 7,068 cycles
Engine
Pwa PW40903
Part
Gearbox
Condition
Making Metal
Location
Apu
Component
Apu
Component part number
38005501
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

APU HAD A NO START. FOUND LOTS OF METAL ON GEAR BOX DRAIN CHIP DETECTOR. REPLACED APU. OPS CHECK NORMAL, NO LEAKS NOTED, NO MSG DISPLAYED.