# SDR 2016FA0000669

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 2016
- Submitted: December 22, 2016
- Operation: General aviation
- Propeller: Hartzl HCC4YR2
- System (JASC): [6114 · Propeller Hub Section](https://openairdocs.org/jasc/6114)
- Part: Hub
- Part number: HCC4YR2
- Part serial: FH666
- Condition: Cracked
- Location: Propeller
- Part time: 1,808 hours
- Stage of operation: IN
- How discovered: D
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2016FA0000669

## Discrepancy

PENETRANT AND VISUAL INSPECTION THAT REVEALED SEVERAL CRACKS IN THE BLADE ARM OF THE ENGINE SIDE HUB HALF. HUB CONDEMNED AND SENT TO MANUFACTURER FOR EXAMINATION.

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