# SDR ASAA2018122127503

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2018
- Submitted: December 24, 2018
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 45,715 hours, 13,701 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Location: Lt A/C Pack
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018122127503

## Discrepancy

LEFT PACK LT ON DURING RECALL, MASTER CAUTION RESET NEXT RECALL, NO OTHER PROBLEM NOTED. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROL BITE CHECK PER B737-800 FIM 21-62 TASK 801 ON BOTH CONTROLLERS OPS CHECKS NORMAL NO DEFECTS NOTED, OK FOR SERVICE.

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