# SDR 96ZZZX735

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Big Valley Aviation Inc, repair station WG3R944L](https://openairdocs.org/faa-repair-station/WG3R944L/big-valley-aviation-inc.md) (OpenAirDocs)
- Aircraft: N6516K
- Make and model: Bell 206L-3
- Registry model: [Bell 206L-3](https://openairdocs.org/model/bell-206l-3) (OpenAirDocs)
- Aircraft serial: 51391
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Bearing
- Part number: 206040576103
- Condition: Failed
- Location: Mast
- Part time: 1,991 hours
- 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/96ZZZX735

## Discrepancy

REMOVED MAST BEARING DUE TO MAST BEARING OUTER RACE FAILURE.  INSTALLED NEW BEARING, PN 206-040-576-105, SN MB349.  FAILED BEARING, TSN 1991.1 HOURS.

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