Service difficulty report · Shutoff Valve · Boeing 777222

Difficulty date
January 24, 2010
Submitted
January 25, 2010
Operation
Air carrier
Aircraft
N229UA
Make and model
Boeing 777222
Aircraft serial
30557
Aircraft time
33,009 hours, 4,045 cycles
Engine
Pwa PW4090
Part
Shutoff Valve
Part number
8102044
Part serial
77
Condition
Faulty
Location
Lt A/C Pack
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

AT ABOUT 45W OVER ATLANTIC, LT PACK DROPPED OFFLINE. REPLACED LOWER FLOW CONTROL AND SHUTOFF VALVE, OPS OK.