# SDR ASAA2017091621940

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2017
- Submitted: September 18, 2017
- Operation: Air carrier
- Aircraft: [N477AS](https://openairdocs.org/aircraft/N477AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40716
- Aircraft time: 9,038 hours, 2,930 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Stage of operation: NR
- 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/ASAA2017091621940

## Discrepancy

PACK LIGHT ILLUMINATED ON RECALL.  EXTINGUISHED ON RESET.  ACFT GROUNDED.  PERFORMED PTC BITE PROCEEDURE IAW FIM 21-62-00.  TCV LIGHT ILLUMINATED AND EXTINGUISHED AFTER RESET, RECALL CHECK OK, NO 30 DAY HISTORY.

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