What was found
PRIMARY ZONE TEMP CONTROLLER INOP. GROUNDED - YES. PERFORMED B737-800 FIM 21-62 TASK 848, FOUND FAULT FLT DECK TRIM VALVE #2 ZONE TEMP CONTROLLER PERFORMED BITE TEST, FAULT CLEARS, REF FIM 21-62 TASK 833.
- Difficulty date
- January 1, 2023
- Submitted
- January 3, 2023
- Operation
- Air carrier
- Aircraft
- N535AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35200
- Aircraft time
- 43,083 hours, 12,354 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Warning Message
- Condition
- False Activation
- Location
- Temp Controller
- 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.