# SDR 98ZZZX1473

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N128HH
- Make and model: Bolkms BK117A1
- Aircraft serial: 7036
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Bearing
- Part number: 601741
- Condition: Cracked
- Location: Blue M/R Blade
- 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/98ZZZX1473

## Discrepancy

NOTICED BLUE M/R BLADE PENDULUM ABSORBER SOUNDED ROUGH ON PRE-FLIGHT INSPECTION.  SUSPECT CAUSE, LACK OF LUBRICATION.

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