# SDR K11A2021070200051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2021
- Submitted: July 2, 2021
- Operation: Air carrier
- Aircraft: [N311GT](https://openairdocs.org/aircraft/N311GT), registered now
- Make and model: Boeing 737-4K5
- Registry model: [Boeing 737-4K5](https://openairdocs.org/model/boeing-737-4k5) (OpenAirDocs)
- Aircraft serial: 26316
- Aircraft time: 62,170 hours, 36,660 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Cabin Pressure
- Condition: Failed
- Stage of operation: CL
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/K11A2021070200051

## Discrepancy

AIRCRAFT WOULD NOT PRESSURIZE IN FLIGHT

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