# SDR ASAA2012092892964

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2012
- Submitted: October 1, 2012
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 21,102 hours, 6,409 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Condition: Malfunctioned
- Location: Rt A/C Pack
- Stage of operation: NR
- 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/ASAA2012092892964

## Discrepancy

RT PACK LIGHT ILLUMINATED ON RECALL.   NR 2 CONTROLLER SHOWS TEMP CONTROL VALVE, RT PACK FAULT ON LAST FLT.  RESET FAULT.  FAULT DID NOT RETURN.  VERIFY BITE TEST NR 2 CONTROLLER, PASSED.  FUNCTIONAL CHECK OF RT PACK TEMP CONTROL VALVE GOOD. GROUND VERIFICATION CHECKED GOOD.

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