# SDR ASAA2017051620797

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2017
- Submitted: May 18, 2017
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 37,341 hours, 11,140 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Location: Rt A/C Pack
- Stage of operation: DE
- 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/ASAA2017051620797

## Discrepancy

DURING TOP OF DESCENT, THE RIGHT PACK ANNUNCIATOR LIGHT ILLUMINATED.  WENT OUT WHEN THE MASTER CAUTION LIGHT WAS RESET.  QRH PROCEDURE ACCOMPLISHED.  ACFT GROUNDED. PERFORMED FIM 21-62, TASK 801,  PACK TEMP CONTROL BITE, NO FAULTS OR FAILURES NOTED. DEEMED TO BE INTERMITTENT FAULT.

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