What was found
DURING DESCENT, THE COCKPIT TEMPERATURE BECAME UNCOMFORTABLY WARM AND WE WERE UNABLE TO CONTROL IT WITH THE CONT CABIN TEMP SELECTOR. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 TCV IAW AMM 21-51-10.
- Difficulty date
- August 17, 2018
- Submitted
- August 20, 2018
- Operation
- Air carrier
- Aircraft
- N584AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35682
- Aircraft time
- 41,938 hours, 12,505 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 9843
- Condition
- Failed
- Location
- Lt A/C Pack
- Part time
- 41,945 hours, 12,510 cycles
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- M, J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.