# SDR ALGR0325009457AL

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2009
- Submitted: March 26, 2009
- Operation: Air carrier
- Aircraft: [N457AL](https://openairdocs.org/aircraft/N457AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53151
- Aircraft time: 12,112 hours
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Bearing
- Condition: Unsecure
- Location: Anti-Drive Link
- Part time: 8 hours
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALGR0325009457AL

## Discrepancy

DURING DAILY SERVICE CHECK, MECHANIC NOTICED THAT THE ANTI-DRIVE LINK UPPER BEARING HAD UNSEATED.

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