Service difficulty report · Shutoff Valve · Boeing 757222

Difficulty date
October 11, 2009
Submitted
October 12, 2009
Operation
Air carrier
Aircraft
N551UA
Make and model
Boeing 757222
Aircraft serial
25399
Aircraft time
68,122 hours, 19,671 cycles
Engine
Pwa PW2037
Part
Shutoff Valve
Part number
32144882
Part serial
155
Condition
Malfunctioned
Location
Bleed Air Sys
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

LEFT ENG BLEED VALVE STUCK CLOSED. REPLACED PRSOV VALVE, BLEED OPS CHECKS NORMAL.