Service difficulty report · Seal · Boeing 767322

Difficulty date
September 18, 2008
Submitted
November 19, 2008
Operation
Air carrier
Aircraft
N675UA
Make and model
Boeing 767322
Aircraft serial
29243
Aircraft time
29,509 hours, 7,788 cycles
Engine
Pwa PW4056
Part
Seal
Condition
Damaged
Location
Apu
Component
Apu
Component part number
380029817
Stage of operation
IN
How discovered
O
Nature of condition
W
Precautionary procedure
O

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

What was found

APU OIL CONSUMPTION ABOVE LIMIT. APU IS INADEQUATE. FOUND GEARBOX, DRIVEN COMPRESSOR LEAKING AT GEARBOX TO COMPRESSOR MATING SURFACE. SUSPECT SEAL NEEDS REPLACEMENT. NO OTHER LEAKS NOTED. REPLACED APU.