Service difficulty report · Valve · Boeing 757222

Difficulty date
October 26, 2011
Submitted
November 18, 2011
Operation
Air carrier
Aircraft
N534UA
Make and model
Boeing 757222
Aircraft serial
25129
Aircraft time
67,207 hours, 24,903 cycles
Engine
Pwa PW2037
Part
Valve
Part number
32144882
Part serial
212
Condition
Failed
Location
Lt Engine
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

LEFT ENGINE BLEED EICAS, FLIGHT DIVERTED. ON TAKEOFF, BLEEDS OFF, THE LEFT HIGH STAGE LIGHT & EICAS MESSAGE CAME ON. CREW ACCOMPLISHED IRREGULAR PROCEDURE AND TURNED LEFT BLEED OFF. ACCOMPLISHED HEALTH CHECK OF HIGH STAGE VALVE AND 14TH STAGE PILOT. REPLACED HIGH STAGE VALVE AND 14TH STAGE PILOT, TESTED OKAY.