# SDR ASAA2018121627420

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2018
- Submitted: December 18, 2018
- Operation: Air carrier
- Aircraft: [N407AS](https://openairdocs.org/aircraft/N407AS), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 41731
- Aircraft time: 24,095 hours, 7,777 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/ASAA2018121627420

## Discrepancy

LEFT PACK LIGHT ILLUMINATED ON RECALL. LIGHT EXTINGUISHES WITH MASTER CAUTION. GROUNDED - YES. PERFORMED FIM 21-62 TASK 801. LAST FLIGHT LOGGED "RAM AIR ACT" FAULT, FAULT CLEARED, BITE VERIFY NML PER SAME.

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