# SDR ASAA2015072812614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2015
- Submitted: July 30, 2015
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 30,067 hours, 9,278 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Condition: Malfunctioned
- Location: Left A/C Pack
- 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/ASAA2015072812614

## Discrepancy

LT PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL, GOES DARK ON RESET.  ACFT GROUNDED.  PERFORMED BITE TEST NR 1 TEMP CONTROLLER, RESET CONTROLLER.  OPS CHECKED NORMAL, REF TASK 21-61-00-700-806-002.  NO HISTORY LAST 30 DAYS.

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