# SDR ASAA2012111893330

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2012
- Submitted: November 27, 2012
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 18,047 hours, 5,699 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3989083
- Part serial: 4798
- Condition: Malfunctioned
- Location: A/C Bay
- Part time: 33,011 hours, 14,902 cycles
- 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/ASAA2012111893330

## Discrepancy

PACK LIGHT ILLUMINATED,  EXTINGUISHED WITH RESET.   R & R LT PACK TEMP CONTROL VALVE REF AMM 21-51-10.  ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST.  NO FAULTS NOTED.  LEAK CKD GOOD REF AMM 21-51-10-790-001.

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