What was found
SINGLE CHANNEL FAULT CONTG CAB RESET WITH MASTER CAUTION. GROUNDED - YES. REF B737-800 AMM 21-61-21 REMOVED AND REPLACED LEFT PACK TRIM AIR VALVE.
- Difficulty date
- February 27, 2023
- Submitted
- March 3, 2023
- Operation
- Air carrier
- Aircraft
- N584AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35682
- Aircraft time
- 56,237 hours, 16,584 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Modulating Valve
- Part number
- 3989083
- Part serial
- 7178
- Condition
- Faulted
- Location
- Lt Ecs Bay
- Part time
- 63,756 hours, 22,729 cycles
- Stage of operation
- IN
- 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.