# SDR 97ZZZX1391

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N317MC](https://openairdocs.org/aircraft/N317MC), registered now
- Make and model: Bolkms BK117C1
- Aircraft serial: 7505
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Ball End Assy
- Part number: 10513143
- Condition: Worn
- Location: Main Rotor
- Part time: 1,054 hours
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX1391

## Discrepancy

BEARINGS WORN ON BALL END ASSY ON MAIN ROTOR HEAD.  REPLACED 4 EACH.

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