# SDR 2009FA0000892

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2009
- Submitted: October 23, 2009
- Operation: General aviation
- Aircraft: [N175P](https://openairdocs.org/aircraft/N175P), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53316
- Aircraft time: 4,364 hours
- Engine: Allsn 250C47B
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bearing
- Part number: 407310101101
- Part serial: 6702
- Condition: Separated
- Location: Main Rotor Sys
- Part time: 4,364 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/2009FA0000892

## Discrepancy

ACFT ARRIVED AT HANGAR.  PILOT NOTE: THE MAIN ROTOR HAD A VIBRATION.  MX INSP MAIN ROTOR AND FOUND SHEAR BEARING HAD BECOME SEPARATED FROM SPINDLE THAT IT WAS BONDED TO.  (K)

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