What was found
MASTER CAUTION ILLUMINATES ZONE TEMP FOR THE CONTROL CABIN AND EXTINGUISHES AFTER PRESSING RECALL. GROUNDED - YES. PERFORMED BITE PROC ON PZT CONTROLLER IAW B737-900 AMM 21-61-00-700-806-002. RESET BUTTON. NO FAULT NOTED. OPS NORMAL.
- Difficulty date
- April 27, 2019
- Submitted
- April 29, 2019
- Operation
- Air carrier
- Aircraft
- N491AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44109
- Aircraft time
- 13,892 hours, 4,606 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Warning Light
- Condition
- False Activation
- Location
- Cabin Temp
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.