# SDR 2020F00425

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2020
- Submitted: October 20, 2020
- Operation: General aviation
- Aircraft: [N12YA](https://openairdocs.org/aircraft/N12YA), registered now
- Make and model: Bell 505
- Registry model: [Bell 505](https://openairdocs.org/model/bell-textron-canada-505) (OpenAirDocs)
- Aircraft serial: 65103
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Drive Shaft
- Part number: M206204026041
- Condition: Worn
- Location: Hydraulic Pump
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2020F00425

## Discrepancy

HYDRAULIC SYSTEM FAILED IN FLIGHT.  DRIVESHAFT ASSEMBLY BETWEEN HYDRAULIC PUMP AND TRANSMISSION OIL PUMP SPLINES FAILED.  DRIVESHAFT ASSEMBLY PART NUMBER P/N M206-204026-041.

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