# SDR ASAA2015091913085

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2015
- Submitted: September 22, 2015
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 13,294 hours, 3,918 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3989083
- Part serial: 2512
- Condition: Failed
- Location: Left Temp
- Part time: 59,708 hours, 29,989 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/ASAA2015091913085

## Discrepancy

ON RECALL, AIR CONDITIONER LIGHT FOR LT PACK LIGHT ILLUMINATED,  LIGHT EXTINGUISHES WHEN RESET.  ACFT GROUNDED.  R & R LT TEMP CONTROL VALVE IAW AMM 21-51-10-400-801.  OPS, BITE & LEAK CHECKED GOOD.

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