What was found
ON RECALL RECEIVED A "ZONE TEMP" CONT CAB MASTER CAUTION LIGHT. RESETS ON MC LIGHT PUSHED. GROUNDED - YES. REMOVED AND REPLACED TRIM AIR MODULATING VALVE PER B737-800 AMM 21-61-21.
- Difficulty date
- October 8, 2022
- Submitted
- October 10, 2022
- Operation
- Air carrier
- Aircraft
- N512AS
- Make and model
- Boeing 737890
- Aircraft serial
- 39043
- Aircraft time
- 50,730 hours, 14,926 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Modulating Valve
- Part number
- 3989083
- Part serial
- 6697
- Condition
- Faulty
- Location
- Left Ecs Bay
- Part time
- 65,297 hours, 25,415 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.