# SDR ASAA2013062795351

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2013
- Submitted: July 2, 2013
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 26,902 hours, 7,940 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Condition: Inoperative
- Location: Ram Air Inlet
- Part time: 20,151 hours, 6,296 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/ASAA2013062795351

## Discrepancy

LEFT PACK LIGHT ILLUMINATED ON RECALL.  ACFT GROUNDED.  REPLACED LT RAM AIR INLET ACTUATOR.  OPS CHECKS OK REF AMM 21-51-21-000-801 AND 21-51-21-400-801.  FOLLOWUP TO REPORTS OF LT PACK LIGHT ON RECALL.  REPLACED LT TCV.  OPS AND LEAK CHECKS OK, REF AMM 21-51-10-000-801 AND 21-51-10-400-801.

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