# SDR ASAA1057311

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2010
- Submitted: February 2, 2010
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 12,888 hours, 3,822 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Control Valve
- Condition: Intermittent
- Location: Ac Pack
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1057311

## Discrepancy

ON RECALL RIGHT PACK MASTER CAUTION ILLUMINATES GOES OUT WHEN MASTER CAUTION RESET.  FAULT CODE 216 224 00.  ACCOMPLISHED BITE TEST ON PACK/ZONE TEMP CONTROLLERS REF FIM TASK 21 62 00 810 801.  FOUND INTERMITTENT FAULT ON RIGHT TRIM CONTROL VALVE.  RESET FAULT.  RAN PACK SYSTEM, OP`S NORMAL.  OKAY FOR CONT SERVICE.  SEAMC NOTIFIED.

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