# SDR ALGA086243

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2003
- Submitted: April 28, 2003
- Operation: General aviation
- Aircraft: [N577AL](https://openairdocs.org/aircraft/N577AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53247
- Aircraft time: 5,576 hours
- Engine: Allsn 250C47B
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bearing
- Part number: 406310405101
- Part serial: RXFS4783
- Condition: Defective
- Location: Main Rotor
- Part time: 1,012 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/ALGA086243

## Discrepancy

FOUND BEARING DEFECTIVE, EXCESSIVE PLAY AND ROUGH/RATCHETING.

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