What was found
CONT CAB ZONE TEMP LIGHT ILLUMINATES ON MASTER CAUTION RECALL AND GOES OUT WHEN RESET. GROUNDED - YES. BITE SHOWED CONTROL CABIN TRIM AIR VALVE FAULT. ACCOMPLISHED B737-900 FIM 21-62 TASK 832. OPS CHECK GOOD.
- Difficulty date
- January 16, 2023
- Submitted
- January 18, 2023
- Operation
- Air carrier
- Aircraft
- N453AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36354
- Aircraft time
- 33,966 hours, 10,693 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Warning Light
- Condition
- False Activation
- Location
- Cockpit Temp
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.