# SDR AU971422

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Hiller UH-12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (OpenAirDocs)
- Engine: Lyc VO540C2A
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Pin
- Part number: 51452
- Condition: Cracked
- Location: Main Rotor Head
- Component: Hiller
- 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/AU971422

## Discrepancy

(AUS) MAIN ROTOR HEAD TENSION/TORSION PIN CRACKED.

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