What was found
CONT CAB ZONE TEMP LIGHT ILLUMINATED DURING RECALL ZONE TEMP LIGHT EXTINGUISHES WITH MASTER CAUTION RESET. GROUNDED - YES. REMOVED & REPLACED LEFT TEMP CONTROL VALVE B737-800 AMM 21-61-21.
- Difficulty date
- February 13, 2023
- Submitted
- February 17, 2023
- Operation
- Air carrier
- Aircraft
- N508AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35691
- Aircraft time
- 52,542 hours, 15,433 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Valve
- Part number
- 39890805
- Part serial
- 21479
- Condition
- Faulty
- Location
- Left Ecs Bay
- Part time
- 21,051 hours, 6,753 cycles
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.