# SDR ASAA2014030607100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2014
- Submitted: March 10, 2014
- Operation: Air carrier
- Aircraft: [N568AS](https://openairdocs.org/aircraft/N568AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35183
- Aircraft time: 27,146 hours, 8,433 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Condition: Malfunctioned
- Location: Lt 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/ASAA2014030607100

## Discrepancy

LEFT PACK LIGHT ILLUMINATES DURING RECALL, RESETS WITH MASTER CAUTION.  ACFT GROUNDED.  TROUBLESHOT LT ZONE CONTROLLER IAW AMM 21-51-00-700-803.  FOUND NR 1 ACT FAULT.  RESET TEMP CONTROLLER AND RETESTED.  NO FURTHER FAULTS AND NO MAINTENANCE HISTORY ON THIS SYSTEM WITHIN THE PAST 30 DAYS.

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