# SDR CA991230012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 1999
- Submitted: January 19, 2001
- Operation: Air carrier
- Make and model: Cessna U206F
- Registry model: [Cessna U206F](https://openairdocs.org/model/cessna-u206f) (OpenAirDocs)
- Aircraft time: 7,722 hours
- Engine: Cont IO520F
- Propeller: Mcauly D3A32C90
- System (JASC): [6114 · Propeller Hub Section](https://openairdocs.org/jasc/6114)
- Part: Plug
- Part number: A4140
- Condition: Missing
- Location: Hub Sockets
- Part time: 975 hours
- Component: Propeller Hub, Mcauly, D3A32C90
- Stage of operation: IN
- How discovered: V
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991230012

## Discrepancy

(CAN) TWO LOCKING EXPANSION PLUGS FOR EACH BLADE ALL WERE FOUND NOT INSTALLED. LOCKING EXPANSION PLUGS ARE USED TO LOCK THE BLADES TO THE HUB . THIS IS AN O/H OVERSIGHT AND A MAINTENANCE ISSUE.

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