# SDR ASAA12510926

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2012
- Submitted: January 13, 2012
- Operation: Air carrier
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- Aircraft time: 19,962 hours, 6,287 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Valve
- Part number: 3989083
- Part serial: 11597
- Condition: Faulty
- Location: Ac Bay
- Part time: 5,702 hours, 2,913 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA12510926

## Discrepancy

CABIN CONT ZONE TEMP INOP.  PERFORMED FIM 21 62 00 810 833 NR 2 ZONE TEMP CONTROLLER FAULTED THE FLT DECK TRIM AIR VALVE. REPLACED PER SAME. OPS CK GOOD NO FAULTS ON CONTROLLER AFTER CHANGE.

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