What was found
CONT CAB ZONE TEMP LIGHT ILLUMINATED AND WON'T TRIP RESET. GROUNDED - YES. REMOVED AND REPLACED CONTROL CABIN TAV REF B737-900 AMM 21-61-21.
- Difficulty date
- May 5, 2023
- Submitted
- May 9, 2023
- Operation
- Air carrier
- Aircraft
- N407AS
- Make and model
- Boeing 737900ER
- Aircraft serial
- 41731
- Aircraft time
- 39,279 hours, 12,288 cycles
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Modulating Valve
- Part number
- 3989083
- Part serial
- 1603
- Condition
- Faulty
- Location
- Left Ecs Bay
- Part time
- 87,033 hours, 44,397 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.