What was found
CONT CABIN "ZONE TEMP" LIGHT ON RECALL. GROUNDED-YES. NR 2 ZONE TEMP CONTROLLER LOGGED FLIGHT DECK TRIM VALVE. REMOVED AND REPLACED FLIGHT DECK TRIM VALVE, REF B737-800 AMM 21-61-21. OPERATIONS CHECK NORMAL.
- Difficulty date
- November 2, 2020
- Submitted
- November 5, 2020
- Operation
- Air carrier
- Aircraft
- N532AS
- Make and model
- Boeing 737890
- Aircraft serial
- 36346
- Aircraft time
- 38,261 hours, 11,374 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Modulating Valve
- Part number
- 3989085
- Part serial
- 27564
- Condition
- Inoperative
- Location
- Lt A/C Pack
- Part time
- 12,211 hours, 3,920 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.