Service difficulty report · Valve · Boeing 757222

Difficulty date
May 3, 2013
Submitted
May 31, 2013
Operation
Air carrier
Aircraft
N546UA
Make and model
Boeing 757222
Aircraft serial
25367
Aircraft time
79,927 hours, 23,208 cycles
Engine
Pwa PW2037
Part
Valve
Part number
32144882
Part serial
1232
Condition
Failed
Location
Engine
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

CIRCUIT BREAKER POPPED 2 HOURS AFTER TAKEOFF, FL390. LEFT ENGINE AMBER MAX RADL HIGHER THAN RIGHT ENGINE. FOUND HIGH STAGE VALVE STICKING AND HIGH STAGE PILOT SOLENOID LOOSE. REMOVED AND REPLACED HIGH STAGE VALVE 36-11-07 AND HIGH STAGE PILOT REF MM 36-11-08 GROUND RAN CHECKED OKAY.