# SDR CA970422025

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Make and model: Robsin R44
- Engine: Lyc O540F1B5
- System (JASC): [6300 · Main Rotor Drive System](https://openairdocs.org/jasc/6300)
- Part: Bearing Assy
- Part number: C0075
- Condition: Fretted
- Location: Tapered Shaft
- Part time: 286 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA970422025

## Discrepancy

(CAN) FANWHEEL REMOVED FOR OTHER MAINTENANCE.  FRETTING AND METAL TRANSFER WERE NOTED BETWEEN FANSHAFT AND FANWHEEL.

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