What was found
UPON MASTER CAUTION RECALL AFTER PUSHBACK, CONT CAB ZONE TEMP ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED V143 FLT DECK TRIM MODULATING VALVE REF B737-800 AMM 21-61-21/401. OPERATIONAL CHECKS GOOD, NO LEAKS FOUND.
- Difficulty date
- November 1, 2021
- Submitted
- November 9, 2021
- Operation
- Air carrier
- Aircraft
- N586AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35189
- Aircraft time
- 50,833 hours, 15,303 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Control Valve
- Part number
- 3989083
- Part serial
- 10777
- Condition
- Faulty
- Location
- Left Ecs Bay
- Part time
- 47,314 hours, 14,345 cycles
- Stage of operation
- TX
- 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.