# SDR HEEA078325

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2002
- Submitted: March 25, 2002
- Operation: General aviation
- Aircraft: [N499PH](https://openairdocs.org/aircraft/N499PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53400
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Hub
- Part number: 407010100115
- Part serial: A251
- Condition: Damaged
- Location: Main Rotor
- Part time: 3,756 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/HEEA078325

## Discrepancy

MAIN ROTOR HUB HAS DAMAGE ON LOWER CONE SEAT SPLINE.

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