# SDR CA190807018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Beech 1900C
- Registry model: [Beech 1900C](https://openairdocs.org/model/beech-1900c) (OpenAirDocs)
- Aircraft time: 31,708 hours
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Diaphragm
- Condition: Torn
- Location: Outflow Valve
- 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/CA190807018

## Discrepancy

(CAN) CLIMBING THRU 13000` ASL, CABIN ALTITUDE WARNING ILLUMINATED & UNABLE TO PRESSURIZE. OXYGEN MASK USED. REQUESTED DECENT & TURNBACK. LEFT OUTFLOW FOUND TO HAVE A TEAR IN THE DIAPHRAGM. OUTFLOW VALVE REPLACED. (TC# 20190807018)

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