What was found
FWD CABIN TEMP EICAS, UNABLE TO OPEN VALVE EVEN IN MANUAL. PULLED CIRCUIT BREAKERS H2 & H5. REPLACED THE AUXILARY FORWARD TRIM AIR MODULATING VALVE (V152) IAW AMM. ACCOMPLISHED OPS TEST IAW AMM, ALL CHECKED GOOD.
- Difficulty date
- January 5, 2013
- Submitted
- February 8, 2013
- Operation
- Air carrier
- Aircraft
- N644UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25094
- Aircraft time
- 91,433 hours, 14,527 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Valve
- Part number
- 3987865
- Part serial
- 187
- Condition
- Faulty
- Location
- Trim Air
- 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.