What was found
ZONE TEMP LIGHT FOR CONT CA ILLUMINATED ON MASTER CAUTION RECAL LIGHT EXTINGUISHES ON RESET. GROUNDED - YES. REMOVED AND REPLACED CAB CONTROL TRIM AIR MODULATING VALVE IAW B737-800 AMM 21-61-21.
- Difficulty date
- May 1, 2023
- Submitted
- May 5, 2023
- Operation
- Air carrier
- Aircraft
- N592AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35190
- Aircraft time
- 55,040 hours, 16,331 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Modulating Valve
- Part number
- 3989083
- Part serial
- 10943
- Condition
- Faulted
- Location
- Left Ecs Bay
- Part time
- 52,494 hours, 15,451 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.