Service difficulty report · Valve · Boeing 767322

Difficulty date
November 14, 2012
Submitted
December 24, 2012
Operation
Air carrier
Aircraft
N659UA
Make and model
Boeing 767322
Aircraft serial
27114
Aircraft time
86,628 hours, 13,813 cycles
Engine
Pwa PW4060
Part
Valve
Part number
3987865
Part serial
188
Condition
Faulty
Location
Cabin Temp
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

FORWARD CABIN TEMP EICAS MSG SAMC TEXT: SEE PREVIOUS HISTORY, ZONE TEMP CTLR AND AUX ZONE TEMP CTLR PREVIOUSLY REPLACED. SUGGEST REPLACE FWD CABIN ZONE TEMP CTL VALVE. CREW (938-13) REFUSAL WITH MEL 2161YH. REPLACED FWD TRIM AIR VALVE AMM. REPLACED FWD CABIN TEMP LIGHT. CLEARED PACK & TEMP CONTROLLERS. SYS OPS CHECK GOOD.