Service difficulty report · Valve · Boeing 757222

Difficulty date
September 2, 2012
Submitted
September 26, 2012
Operation
Air carrier
Aircraft
N544UA
Make and model
Boeing 757222
Aircraft serial
25322
Aircraft time
78,333 hours, 22,572 cycles
Engine
Pwa PW2037
Part
Valve
Part number
97980612
Part serial
39
Condition
Failed
Location
Apu
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 AUTO SHUTDOWN. TIGHTEN INLET TEMPERATURE SENSOR IAW AMM 49-6103. REPLACED APU SURGE VALVE. OPS CHECK NORMAL, NO LEAKS NOTED. APU START NORMAL. NO AUTO SHUT DOWN NOTED.