# SDR IVSA077371

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 12, 2001
- Submitted: December 17, 2001
- Operation: General aviation
- Aircraft: N7186Z
- Make and model: Robsin R44
- Aircraft serial: 737C
- Aircraft time: 190 hours
- System (JASC): [6300 · Main Rotor Drive System](https://openairdocs.org/jasc/6300)
- Part: Wheel
- Part number: D1742
- Condition: Corroded
- Location: Center Hub
- Part time: 190 hours
- 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/IVSA077371

## Discrepancy

PAINT ON FAN WHEEL LOOSE AND FLAKING OFF DUE TO POOR ADHESION, PROBABLY CAUSED BY IMPROPER PREPARATION, ALLOWING PREMATURE CORROSION.

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