Service difficulty report · Valve · Boeing 757222

Difficulty date
October 12, 2009
Submitted
October 12, 2009
Operation
Air carrier
Aircraft
N596UA
Make and model
Boeing 757222
Aircraft serial
28749
Aircraft time
46,269 hours, 12,880 cycles
Engine
Pwa PW2037
Part
Valve
Part number
97980612
Part serial
93
Condition
Faulty
Location
Apu
Stage of operation
NR
How discovered
O
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

CREW REPORTS APU DUCT PRESS DROPS TO BELOW 10 PSI ON NR 2 ENG START. REPLACED APU SURGE VALVE. OPS CHECK OKAY.