What was found
CHRONIC IMPOSSIBLE TO CONTROL CABIN TEMP IN AUTO OR MANUAL OR STANDBY MODES. ACFT VERY COLD. FOUND TRIM AIR PRESSURE REGULATING VALVE STUCK CLOSED. REPLACED VALVE AND ACCOMPLISHED CHECKS.
- Difficulty date
- February 14, 2010
- Submitted
- February 16, 2010
- Operation
- Air carrier
- Aircraft
- N648UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25285
- Aircraft time
- 74,155 hours, 12,035 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Valve
- Part number
- 32148621
- Part serial
- 30
- Condition
- Stuck
- Location
- Cabin Temp
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.