What was found
CONT CAB ZONE TEMP ON AFTER START CHECK LIST. GROUNDED - YES. #2 ZTC LOGGED FLT DECK TRIM AIR VALVE. BITE TESTS GOOD - FAULT RESET.
- Difficulty date
- February 18, 2020
- Submitted
- February 21, 2020
- Operation
- Air carrier
- Aircraft
- N478AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44105
- Aircraft time
- 18,280 hours, 5,912 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Warning Light
- Condition
- False Activation
- Location
- Cockpit Temp
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.