What was found
COCKPIT TEMP UNCONTROLLABLE & UNACCEPTABLE ON CLIMB & DESCENT WITH TRIM AIR ON OR OFF. FLT DECK TEMP STILL ERRATIC, W-TEMP CTL OFF TEMP STILL WANDERS IN STBY STEADY BUT CONT. FOUND LT PACK TEMP CONTROL VALVE SEIZED. REPLACED IAW AMM.
- Difficulty date
- June 21, 2011
- Submitted
- July 14, 2011
- Operation
- Air carrier
- Aircraft
- N595UA
- Make and model
- Boeing 757222
- Aircraft serial
- 28748
- Aircraft time
- 52,481 hours, 14,636 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2140 · Heating System
- Part
- Valve
- Part number
- 3987505
- Part serial
- 271
- Condition
- Faulty
- Location
- Cabin Heat
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.