Service difficulty report · Start Valve · Boeing 757222

Difficulty date
August 17, 2008
Submitted
August 21, 2008
Operation
Air carrier
Aircraft
N544UA
Make and model
Boeing 757222
Aircraft serial
25322
Aircraft time
63,262 hours, 18,268 cycles
Engine
Pwa PW2037
Part
Start Valve
Part number
7755386
Condition
Sticking
Location
Nr 1 Engine
Stage of operation
IN
How discovered
9
Nature of condition
J
Precautionary procedure
K

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

What was found

CREW REPORT: LEFT START VALVE FAILED TO OPEN WITH EICAS MESSAGE. START VALVE INOP- SOLENOID CLOGGED, HARDWARE (INTERNAL) DAMAGED. REPLACED START VALVE AND OPS CHECKED OK.