# SDR CZMA082750

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 1999
- Submitted: December 30, 2002
- Operation: Air carrier
- Aircraft: N911BE
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 36018
- Aircraft time: 4,883 hours, 14,250 cycles
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bearing
- Part number: 412010427101
- Condition: Defective
- Location: Rotor Head
- Part time: 26 hours
- Component: Rotor Head
- Component part number: 412010401111
- 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/CZMA082750

## Discrepancy

MAIN ROTOR HEAD BEARINGS BECAME UNSTAKED FROM DRIVE LINK REPLACED BEARINGS AS PER BHT CR & O V1

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