# SDR AU981538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Bell 206B-3
- Registry model: [Bell 206B-3](https://openairdocs.org/model/bell-helicopter-textron-206b-3) (OpenAirDocs)
- Engine: Allsn 250C20B
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Ring
- Part number: 8505101
- Condition: Missing
- Location: Hydraulic Pump
- Component: 206076022101
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU981538

## Discrepancy

(AUS) HYDRAULIC PUMP ATTACHMENT COUPLING P/N  850509-1 SEPARATED FROM THE HYDRAULIC PUMP.  INVESTIGATION FOUND THE PUMP DRIVE SPLINE RETAINING RING WAS MISSING.

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