# SDR 26519A

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 2007
- Submitted: May 3, 2007
- Operation: General aviation
- Aircraft: [N122JB](https://openairdocs.org/aircraft/N122JB), registered now
- Make and model: Cessna 208B
- Registry model: [Cessna 208B](https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Aircraft serial: 208B1025
- Aircraft time: 1,850 hours
- Engine: Pwa PT6*
- Engine time: 1,850 hours
- Propeller: Mcauly 3GFR34C703
- System (JASC): [6111 · Propeller Blade Section](https://openairdocs.org/jasc/6111)
- Part: Bushing
- Part number: A4564
- Condition: Cracked
- Location: Blade Link
- Part time: 1,850 hours
- Component: Blade Link, Mcauly
- Component part number: B4743
- Stage of operation: IN
- How discovered: 9
- Nature of condition: E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/26519A

## Discrepancy

VIBRATION REPORTED BY PILOT.  OPERATOR WAS UNABLE TO DYNAMIC BALANCE.  OPERATOR NOTICED ONE BLADE HAS ROTATIONAL PLAY.  UPON DISASSEMBLY NR 2 BLADE LINK BUSHING P/N A4564 WAS FOUND CRACKED WITH PIECES MISSING.  THE LINK P/N B4743 AND BLADE ACTUATING PIN P/N B5072-1 WERE DAMAGED FROM METAL TO METAL CONTACT.

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