# SDR HEEA073091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2001
- Submitted: May 29, 2001
- Operation: General aviation
- Aircraft: N740PH
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53435
- System (JASC): [6300 · Main Rotor Drive System](https://openairdocs.org/jasc/6300)
- Part: Bearing
- Part number: 407340339101
- Condition: Failed
- Location: Blower Shaft
- Part time: 223 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA073091

## Discrepancy

AIRCRAFT DEVELOPED A VIBRATION IN FLIGHT. FOUND FWD. BEARING ON BLOWER SHAFT FAILED.

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