What was found
CONT ZONE TEMP LIGHT ON DURING MASTER CAUTION RECALL. GROUNDED - YES. REMOVED AND REPLACED CONT CABIN TEMP CONTROL VALVE REF B737-800 AMM 21-51-10. BITE CHECK, LEAK CHECK AND OPS CHECK GOOD.
- Difficulty date
- October 23, 2022
- Submitted
- October 25, 2022
- Operation
- Air carrier
- Aircraft
- N584AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35682
- Aircraft time
- 55,058 hours, 16,240 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 12095
- Condition
- Faulty
- Location
- Left Ecs Bay
- Part time
- 47,755 hours, 14,333 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.