# SDR ASAA2015020910597

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2015
- Submitted: February 11, 2015
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 27,030 hours, 8,389 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Part number: 3989084
- Part serial: 9879
- Condition: Failed
- Location: A/C Bay
- Part time: 18,077 hours, 11,366 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/ASAA2015020910597

## Discrepancy

LEFT PACK LIGHT COMES ON WITH RECALL, RESETS.  ACFT GROUNDED.  R & R LT PACK TRIM AIR MODULATING VALVE IAW AMM 21-61-21.

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