# SDR 2006FA0000424

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2005
- Submitted: May 4, 2006
- Operation: General aviation
- Make and model: Kaman H-43A
- Registry model: [Kaman H-43A](https://openairdocs.org/model/kaman-h-43a) (OpenAirDocs)
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Rotor Shaft
- Part number: K77461221
- Part serial: C16300
- Condition: Cracked
- Location: Main Rotor
- Stage of operation: NR
- How discovered: M
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006FA0000424

## Discrepancy

DURING MAGNETIC PARTICAL INSPECTION, THE SHAFT WAS FOUND CRACKED AT THE UPPER END WHERE THE ROTOR HUB ATTACHES TO THE SHAFT.  THE CRACK IS APPROXIMATELY 1 INCH LONG AND LOCATED IN THE LOWER RADIUS OF THE RETANGLE CUTOUT.  (K)

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