Service difficulty report · Start Valve · Boeing 757222

Difficulty date
January 12, 2011
Submitted
February 15, 2011
Operation
Air carrier
Aircraft
N548UA
Make and model
Boeing 757222
Aircraft serial
25396
Aircraft time
72,545 hours, 20,954 cycles
Engine
Pwa PW2037
Part
Start Valve
Part number
8113901
Part serial
198
Condition
Inoperative
Location
Nr 2 Engine
Stage of operation
IN
How discovered
V
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 REPORTED NR 2 ENG DOES NOT ROTATE WHEN START VALVE IS OPENED. START VALVE LIGHT CAME ON AND WENT OUT, BUT NO ROTATION. OPERATED START VALVE MANUALLY. REPLACED START VALVE.