# SDR ZESA20200227001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2020
- Submitted: February 27, 2020
- Operation: Air carrier
- Aircraft: [N369MN](https://openairdocs.org/aircraft/N369MN), registered now
- Make and model: Cessna 525B
- Registry model: [Cessna 525B](https://openairdocs.org/model/cessna-525b) (OpenAirDocs)
- Aircraft serial: 0314
- Aircraft time: 1,961 hours, 1,612 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 991240921
- Part serial: 1139B
- Condition: Defective
- Location: Cabin Pressure
- Part time: 1,961 hours, 1,612 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZESA20200227001

## Discrepancy

CABIN WOULD NOT PRESSURIZE.

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