# SDR ALGA095923

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2004
- Submitted: July 6, 2004
- Operation: Air carrier
- Aircraft: [N647AL](https://openairdocs.org/aircraft/N647AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53357
- Aircraft time: 4,372 hours
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Bearing
- Part number: 406310406101
- Condition: Out Of Tolerance
- Location: M/R Gearbox
- Part time: 383 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALGA095923

## Discrepancy

MAIN ROTOR GEARBOX BEARING HAS RADIAL PLAY BEYOND MAX LIMITS.  REPLACED WITH 4EA NEW PARTS.

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