# SDR CA190308020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2019
- Submitted: August 14, 2020
- Operation: General aviation
- Make and model: Bombdr DHC8400
- Aircraft time: 1 hours
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Control Valve
- Part number: 820902DASH6
- Condition: Unserviceable
- Location: Cabin Pressure
- Stage of operation: NR
- 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/CA190308020

## Discrepancy

(CAN) CREW IDENTIFIED A PRESSURISATION DEFECT, DONNED OXYGEN AND EMERGENCY WAS DECLARED. AIR TURN BACK CARRIED OUT AND AIRCRAFT LANDED UNEVENTFULLY. PACK FLOW CONTROL AND SHUTOFF VALVE FOUND UN-SERVICEABLE.

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