# SDR ASAA2012082392768

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2012
- Submitted: August 27, 2012
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 18,670 hours, 5,941 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3989083
- Part serial: 1574
- Condition: Failed
- Location: Lt A/C Pack
- Part time: 57,405 hours, 27,925 cycles
- 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/ASAA2012082392768

## Discrepancy

LEFT PACK LIGHT ILLUMINATED ON RECALL.  ACFT GROUNDED. R & R LT PACK TEMP CONTROL VALVE IAW AMM 21-51-10.  OPS CHECKED NORMAL.  LEAK CHECKED OK.

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