Service difficulty report · Control Valve · Boeing 777222

Difficulty date
January 28, 2013
Submitted
February 14, 2013
Operation
Air carrier
Aircraft
N788UA
Make and model
Boeing 777222
Aircraft serial
26942
Aircraft time
69,664 hours, 9,835 cycles
Engine
Pwa PW40903
Part
Control Valve
Part number
8102042
Part serial
223
Condition
Failed
Location
Cabin Air
Stage of operation
NR
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

RT UPPER FLOW CONTROL STATUS MESSAGE. REPLACED UPPER FLOW CONTROL VALVE, OPS CHECKED NORMAL. MESSAGE CLEARED