# SDR ALG2001F00018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 10, 2001
- Submitted: October 17, 2001
- Operation: Air carrier
- 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
- Engine: Allsn 250C47B
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Bearing
- Part number: 407340339101
- Part serial: ZV1049710584
- Condition: Damaged
- Location: T/R Driveshaft
- 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/ALG2001F00018

## Discrepancy

TAILROTOR DRIVESHAFT BEARINGS, DURING DAILY INSPECTION, GREY GREASE FROM BEARINGS.

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