# SDR CA050309011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2005
- Submitted: April 1, 2005
- Operation: General aviation
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft time: 20,359 hours
- Engine: Allsn 250C28B
- System (JASC): [6240 · Main Rotor Indicating System](https://openairdocs.org/jasc/6240)
- Part: Tach Generator
- Part number: 2060763731
- Part serial: 3220
- Condition: Worn
- Location: Main Rotor
- 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/CA050309011

## Discrepancy

(CAN) DURING ROUTINE MAINTENANCE WORN SPLINES WERE FOUND.  NOTE: THESE SPLINES DRIVE THE HYDRAULIC PUMP. TACH GENERATOR WAS REMOVED AND SENT FOR OVERHAUL. PART WAS RETURNED 2 MONTHS LATER WITH NEW PAINT AND THE SAME WORN OUT SPLINES. OLD GREASE WAS STILL IN THE WORN SPLINES.

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