Service difficulty report · Valve · Boeing 767322

Difficulty date
September 13, 2009
Submitted
September 14, 2009
Operation
Air carrier
Aircraft
N661UA
Make and model
Boeing 767322
Aircraft serial
27158
Aircraft time
70,211 hours, 11,495 cycles
Engine
Pwa PW4060
Engine time
58,498 hours, 8,551 cycles
Part
Valve
Part number
340545
Part serial
6871
Condition
Malfunctioned
Location
Hydraulic Sys
Stage of operation
IN
How discovered
O
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

LEFT ENG HYD PRESSURE LOSS, RTFL. REPLACED RUDDER ELEVATOR SHUT-OFF VALVE. OPS & LEAK CHECK GOOD.