# SDR QMLA2016030816019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2016
- Submitted: March 11, 2016
- Operation: Air carrier
- Aircraft: [N193AM](https://openairdocs.org/aircraft/N193AM), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 54004
- Aircraft time: 2,280 hours, 7,163 cycles
- Engine: Allsn 250C47B
- Engine time: 5,790 hours, 7,401 cycles
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Bearing
- Part number: 407310102103
- Part serial: LK8270
- Condition: Separated
- Location: Main Rotor Hub
- Part time: 1,282 hours
- Component: Main Rotor Hub, Bell
- Component part number: 407010100123
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2016030816019

## Discrepancy

MAIN ROTOR FEATHERING BEARING ELASTOMER SEPARATION BEYOND LIMITS, FOUND DURING AIRWORTHINESS CHECK.  THIS ACFT REMAINS OUT OF SERVICE AT THIS TIME AWAITING A REPAIR TO THE MRH INSTALLING NEW FEATHERING BEARINGS.

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