# SDR ASAA2013010193589

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2013
- Submitted: January 3, 2013
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 7,495 hours, 2,234 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: Illuminated
- Location: A/C Pack
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013010193589

## Discrepancy

ON RECALL, AIR CONDITIONER & ZONE TEMP ILLUMINATED.  EXTINGUISH ON RESET.  NR 2 PACK ZONE TEMP CONTROLLER LOGGED FLT DECK TRIM VALVE FAULT.  ACCOMPLISHED FIM TASK 21-62, TASK 832.  FAULT CLEARED AND DID NOT COME BACK ON SUBSEQUENT TESTS.  RAN PACKS WITH NO FAULTS LOGGED FOR ABOUT A HALF AN HOUR.  RAN NR 2 PACK ZONE TEMP CONTROLLER BITE TEST.  NO FAULTS. GROUND VERIFICATION GOOD.

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