What was found
ZONE TEMP LIGHT ON RECALL. PERFORMED PACK ZONE TEMP CONTROLLER BITE TEST ON NR 1 & 2 CONTROLLERS. NR 2 CONTROLLER FLIGHT DECK TRIM VALVE FAILED. RESET & VERIFIED TWICE. NO HISTORY FOR 90 DAYS. REF AMM 21-60-00.
- Difficulty date
- January 5, 2013
- Submitted
- January 8, 2013
- Operation
- Air carrier
- Aircraft
- N536AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35203
- Aircraft time
- 3,785 hours, 1,115 cycles
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Valve
- Condition
- Failed
- Location
- Cabin Temp
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.