What was found
DURING MASTER CAUTION RECALL CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED. LIGHT EXTINGUISHED ON MASTER CAUTION RESET. GROUNDED - YES. PERFORMED CABIN TEMP CONTROLLER BITE TEST B737-900 AMM TASK 21-61-00-700-808-001. NO FAULT LOGGED.
- Difficulty date
- November 19, 2018
- Submitted
- November 21, 2018
- Operation
- Air carrier
- Aircraft
- N494AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41729
- Aircraft time
- 11,233 hours, 3,700 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Warning Light
- Condition
- False Activation
- Location
- Cabin Temp
- Stage of operation
- NR
- 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.