# SDR 2021FA0000242

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2021
- Submitted: August 24, 2021
- Operation: General aviation
- Aircraft: [N436FL](https://openairdocs.org/aircraft/N436FL), registered now
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK279
- Aircraft time: 12,212 hours, 9,880 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Duct
- Part number: SLOOT1023
- Condition: Deformed
- Location: Water Separator
- Part time: 12,212 hours, 9,880 cycles
- Component: Water Separator
- Component part number: 45AS63018171
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B, I, G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021FA0000242

## Discrepancy

AIR CRAFT LOST PRESSURIZATION AT IN FLIGHT AND HAD TO EMERGENCY DESCEND

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