# SDR 2010FA0000932

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2010
- Submitted: September 1, 2010
- Operation: General aviation
- Aircraft: [N3946A](https://openairdocs.org/aircraft/N3946A), registered now
- Make and model: Snias AS350B3
- Aircraft serial: 4706
- Aircraft time: 123 hours, 213 cycles
- Engine: Tmeca ARRIEL2B1
- Engine time: 123 hours, 119 cycles
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bracket
- Part number: 350A31202304
- Condition: Cracked
- Location: Main Rotor Head
- Part time: 123 hours, 213 cycles
- 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/2010FA0000932

## Discrepancy

DURING ALF INSP, MECHANIC DISCOVERED .7500" CRACK IN MRH VIBRATION DAMPENER LOWER FLANGE ASSY SIDE MOUNTING BRACKET.

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