# SDR ASAA2020031832455

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2020
- Submitted: March 18, 2020
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 48,776 hours, 14,553 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- 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/ASAA2020031832455

## Discrepancy

PRIOR TO TOP OF DESCENT, MASTER RECALL PRESS ILLUMINATED PACK LIGHT. EXTINGUISHED AFTER RESET. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 21-53 TASK 807, NO FAULTS FOUND. ACCOMPLISHED FIM 21-62 TASK 801, NO FAULTS FOUND. PACK LIGHT NOT ILLUMINATED.

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