# SDR SCNA20230123043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2023
- Submitted: January 23, 2023
- Operation: Air carrier
- Aircraft: [N801SY](https://openairdocs.org/aircraft/N801SY), registered now
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30332
- Aircraft time: 68,336 hours, 26,530 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning Light
- Condition: Illuminated
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20230123043

## Discrepancy

CABIN ALTITUDE LIGHT ILLUMINATED IN FLIGHT WITH ACCOMPANYING CABIN DECOMPRESSION, UNABLE TO MANUALY MAINTAIN CABIN PRESSURE.    PERFORMED  FIM TASK 21-31 TASK 823 LEFT PACK PRESSURE SYSTEM WITHIN THE CHART ALSO DUAL PACK PRESSURIZE SYSTEM LEAK DOWN WAS HIGH ON THE GOOD SIDE. OF THE GRAPH OK FOR SERVICE.

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