# SDR 97ZZZX4407

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N417AL](https://openairdocs.org/aircraft/N417AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53054
- System (JASC): [6420 · Tail Rotor Head](https://openairdocs.org/jasc/6420)
- Part: Bearings
- Part number: 406312100101
- Condition: Worn
- Location: T/R Yoke
- Part time: 903 hours
- Component: 407012101105
- 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/97ZZZX4407

## Discrepancy

PRE-FLIGHT CHECK FOUND 2 EACH BEARINGS 406-312-100-101 INNER RACES WORN BEYOND LIMITS.  ONE EACH OUTER RACE CRACKED.  BEARINGS LOCATION INBOARD ON YOKE.

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