Service difficulty report · O-Ring · Boeing 767322

Difficulty date
February 2, 2013
Submitted
February 28, 2013
Operation
Air carrier
Aircraft
N669UA
Make and model
Boeing 767322
Aircraft serial
30025
Aircraft time
49,246 hours, 12,566 cycles
Engine
Pwa PW4056
Part
O-Ring
Condition
Failed
Location
Apu Bleed
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

APU PRODUCING NO AIR. PERFORMED APU ECU BITE TEST IAW AMM. FOUND PT SENSOR AT FAULT. REPLACED O-RINGS AS PER 49-53-05.