What was found
CONT CAB ZONE TEMP ILLUMINATED. EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. INTERROGATED PACK ZONE TEMP CONTROLLER FOUND TRIM VALVE FAULT. FAULT CLEARED AFTER TEST PER B737-900 FIM 21-62 TASK 801.
- Difficulty date
- November 11, 2023
- Submitted
- November 13, 2023
- Operation
- Air carrier
- Aircraft
- N487AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44108
- Aircraft time
- 30,053 hours, 9,241 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Unknown
- Part number
- UNKNOWN
- Condition
- Unknown
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.