# SDR YV3R2023071000575

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2023
- Submitted: July 10, 2023
- Operation: General aviation
- Aircraft: D-HBB
- Make and model: Robsin R44
- Aircraft serial: 2660
- Aircraft time: 175 hours
- Engine: Lyc O540F1B5
- System (JASC): [6300 · Main Rotor Drive System](https://openairdocs.org/jasc/6300)
- Part: Clutch
- Part number: C0184
- Part serial: 2492
- Condition: Faulty
- Location: Unknown
- Part time: 175 hours
- Stage of operation: UK
- 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/YV3R2023071000575

## Discrepancy

CUSTOMER REPORTED HEAVY YAW MOVEMENTS WITH LOUD NOISES, C018-4 CLUTCH ASSEMBLY HAS ALUMINUM AND STEEL PARTICLES IN OIL.

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