# SDR 98ZZZX466

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N404W
- Make and model: Bell 206L-4
- Registry model: [Bell 206L-4](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4) (OpenAirDocs)
- Aircraft serial: 52055
- System (JASC): [6310 · Engine/Transmission Coupling](https://openairdocs.org/jasc/6310)
- Part: Adapter
- Part number: 406040542106
- Condition: Scored
- Location: Drive Adapter
- Part time: 2,043 hours
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX466

## Discrepancy

DURING INSPECTION DISCOVERED SAFETY WIRE PIGTAIL HAD BEEN TURNED IN WRONG DIRECTION AND HAD WORN A GROOVE IN THE FACE OF THE MAIN DRIVESHAFT ADAPTER.  THIS CONDITION, IF NOT DISCOVERED, WOULD EVENTUALLY LEAD TO MAIN DRIVESHAFT FAILURE.

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