Service difficulty report · Valve · Boeing 757222

Difficulty date
September 29, 2010
Submitted
October 20, 2010
Operation
Air carrier
Aircraft
N548UA
Make and model
Boeing 757222
Aircraft serial
25396
Aircraft time
71,429 hours, 20,631 cycles
Engine
Pwa PW2040
Part
Valve
Part number
3415251
Part serial
3791
Condition
Faulty
Location
Hyd System
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

ON TAXI OUT, HAD INTERMITTENT C FLT CONT HYD EICAS MESSAGE. SECURED VALVE OPEN IAW MEL. OFF LIGHT ON C FLT CONTROL SWITCH LIGHT INOP. REPLACED CENTER VALVE. OPS NORMAL.