What was found
ZONE TEMP ILLUMINATED CONT CAB. IT DOES RESET. TEMP CONTROL NORMAL. GROUNDED - YES. REMOVED AND REPLACED CONTROL CABIN ZONE TRIM AIR MODULATING VALVE ASSY REF B737-800 AMM TASK 21-61-21-000/400-801.
- Difficulty date
- January 1, 2023
- Submitted
- January 4, 2023
- Operation
- Air carrier
- Aircraft
- N529AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35198
- Aircraft time
- 44,952 hours, 13,233 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Modulating Valve
- Part number
- 3989085
- Part serial
- 24412
- Condition
- Faulted
- Location
- Rt Acm
- Part time
- 19,345 hours, 5,828 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.