Service difficulty report · Control Valve · Boeing 777222

Difficulty date
November 25, 2013
Submitted
November 26, 2013
Operation
Air carrier
Aircraft
N213UA
Make and model
Boeing 777222
Aircraft serial
30219
Aircraft time
47,369 hours, 10,193 cycles
Engine
Pwa PW4084
Part
Control Valve
Part number
8102044
Part serial
71
Condition
Faulty
Location
Ac Bay
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

PACK INOPERATIVE, UPPER FLOW CONTROL VLV DEFER CLOSED & LOWER VLV WILL NOT OPEN, UNABLE TO RESET. REPLACED LOWER FLOW CONTROL VLV IAW AMM.