# SDR ASAA2018120527228

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 2018
- Submitted: December 7, 2018
- Operation: Air carrier
- Aircraft: [N495AS](https://openairdocs.org/aircraft/N495AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41728
- Aircraft time: 11,226 hours, 3,693 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- 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/ASAA2018120527228

## Discrepancy

LEFT PACK ILLUMINATED ON RECALL, RESETS WITH PUSH OF MASTER CAUTION BUTTON. GROUNDED - YES. ACCOMPLISHED BITE TEST ON LT PACK/ZONE TEMP CONTROLLER NO FAULT MESSAGE SHOWS IAW FIM TASK 21-62. OK TO CONTINUE SERVICE.

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