Service difficulty report · Control Valve · Boeing 777222

Difficulty date
October 2, 2012
Submitted
November 15, 2012
Operation
Air carrier
Aircraft
N782UA
Make and model
Boeing 777222
Aircraft serial
26948
Aircraft time
68,588 hours, 9,805 cycles
Engine
Pwa PW40903
Part
Control Valve
Part number
8102042
Part serial
204
Condition
Faulty
Location
Ac Bay
Stage of operation
IN
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

RIGHT LOWER FCV FAULTS. DUE TO RECENT HISTORY OF RIGHT PACK LOWER FLOW CONTROL VALVE INOP IN FLIGHT, REPLACE LOWER FLOW CONTROL VALVE (PCN 646-9007) RIGHT PACK PER MM. VERIFY PART NUMBER IN IPC PRIOR TO CHANGING. REPLACED RIGHT LOWER CONTROL VALVE PER AMM. MAT TESTED NORMAL. MESSAGE IS GONE.