What was found
CONT CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL AND EXTINGUISHED WHEN WHEN MASTER CAUTION SYS IS RESET. GROUNDED - YES. #2 ZTC LOGGED FLT DECK TRIM VALVE - BITE TESTS GOOD. FAULT RESET.
- Difficulty date
- August 27, 2019
- Submitted
- August 29, 2019
- Operation
- Air carrier
- Aircraft
- N481AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44106
- Aircraft time
- 16,159 hours, 5,280 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Warning Light
- Condition
- False Activation
- Location
- Cockpit Temp
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.