What was found
COCKPIT TEMP WILL NOT COOL BELOW 86 CABIN TEMPS ARE 74 & 69. DOES NOT OPERATE IN MANUAL OR AUTO TO COOL COCKPIT. DF'D PER MEL. REMOVED & REPLACED COCKPIT TRIM AIR MODULATING VALVE, OPS CHECK GOOD.
- Difficulty date
- March 14, 2012
- Submitted
- April 20, 2012
- Operation
- Air carrier
- Aircraft
- N584UA
- Make and model
- Boeing 757222
- Aircraft serial
- 26706
- Aircraft time
- 61,535 hours, 21,562 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Modulating Valve
- Part number
- 3987865
- Part serial
- 87
- Condition
- Faulty
- Location
- Cockpit
- Stage of operation
- NR
- 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.