What was found
ON RECALL THE CONT CAB ZONE TEMP LIGHT ILLUMINATED THE LIGHT EXTINGUISHED WHEN MASTER CAUTION SYSTEM WAS RESET. GROUNDED - YES. REMOVED AND REPLACED CONTROL CAB TAV REF B737-800 AMM 21-61-21, OPS CK GOOD.
- Difficulty date
- February 16, 2023
- Submitted
- February 20, 2023
- Operation
- Air carrier
- Aircraft
- N533AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35201
- Aircraft time
- 43,945 hours, 12,699 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Valve
- Part number
- 3989085
- Part serial
- 25833
- Condition
- Faulty
- Location
- Left Ecs Bay
- Part time
- 23,677 hours, 7,438 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.