What was found
ZONE TEMP ON RECALL RESETS WITH MC. GROUNDED - YES. CONT CAB ZONE TEMP ILLUMINATED. FOUND TRIM VLV FAULT ON RIGHT PACK TEMP CONTROLLER WAS ABLE TO RESET FAULT. PACK TEMP CONTROLLER BITE CHECK GOOD IAW B737-900 FIM 21-62.
- Difficulty date
- January 4, 2023
- Submitted
- January 5, 2023
- Operation
- Air carrier
- Aircraft
- N442AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 43293
- Aircraft time
- 33,802 hours, 10,696 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Controller
- Part number
- UNKNOWN
- Condition
- Faulted
- Location
- Unknown
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.