# SDR YTRR109168

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 4, 2006
- Submitted: May 15, 2006
- Operation: General aviation
- Aircraft: [N410RL](https://openairdocs.org/aircraft/N410RL), registered now
- Make and model: Bell 206L-4
- Registry model: [Bell 206L-4](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4) (OpenAirDocs)
- Aircraft serial: 52310
- System (JASC): [6520 · Tail Rotor Gearbox](https://openairdocs.org/jasc/6520)
- Part: Gearbox
- Part number: 206033426001A
- Condition: Cracked
- Location: Tail Rotor
- Part time: 1,387 hours
- Component: Tailboom
- Component part number: 206033004119
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YTRR109168

## Discrepancy

DURING ROUTINE 100-HOUR AIRFRAME INSPECTION, FOUND TAIL ROTOR GEARBOX CASTING CRACKED.

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