Service difficulty report · Control Valve · Boeing 777222

Difficulty date
November 27, 2009
Submitted
November 30, 2009
Operation
Air carrier
Aircraft
N216UA
Make and model
Boeing 777222
Aircraft serial
30549
Aircraft time
37,911 hours, 4,892 cycles
Engine
Pwa PW40903
Part
Control Valve
Condition
Failed
Location
Lt A/C Pack
Stage of operation
NR
How discovered
9
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

LEFT PACK INOP, FLT DIVERTED. REPLACED LOWER FLOW CONTROL VALVE AND OPS NORMAL.TEST PASSED AND NO LEAKS.