# SDR YTRR099234

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2005
- Submitted: February 16, 2005
- Operation: Air carrier
- Aircraft: [N594RL](https://openairdocs.org/aircraft/N594RL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53594
- Aircraft time: 1,151 hours
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Bearing
- Part number: 407340339107
- Condition: Vibration
- Location: Tail Rotor
- Part time: 1,152 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YTRR099234

## Discrepancy

NR 1 AND 2 TAIL ROTOR HANGAR BEARING CAUSING HI FREQUENCY VIBRATION IN AIRCRAFT

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