# SDR 97ZZZX4893

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N21CJ](https://openairdocs.org/aircraft/N21CJ), registered now
- Make and model: Mtsbsi MU2B60
- Aircraft serial: 789SA
- Propeller: Hartzl HCB4TN5
- System (JASC): [6111 · Propeller Blade Section](https://openairdocs.org/jasc/6111)
- Part: Clamp
- Part number: C1301
- Condition: Cracked
- Location: Prop Nr 3 Blade
- Part time: 4,642 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/97ZZZX4893

## Discrepancy

INSPECTION REPORT CONDUCTED BY HARTZELL PROPELLER INC., REVEALED CRACK IN PROPELLER BLADE CLAMP.  SUSPECT CAUSE OF CRACK DUE TO FATIGUE.

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