# SDR AU960579

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Beech D55
- Registry model: [Beech D55](https://openairdocs.org/model/beech-d55) (OpenAirDocs)
- Engine: Cont IO520C
- Propeller: Mcauly 3AF32C75
- System (JASC): [6110 · Propeller Assembly](https://openairdocs.org/jasc/6110)
- Part: O-Ring
- Part number: 692935
- Condition: Wrong  Part
- Location: Propeller Assy S
- Component: Mcauly, 3AF32C75LW
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU960579

## Discrepancy

(AUS) PROPELLER BLADE RETENTION NUT 'O' RINGS WERE THE INCORRECT TYPE  CAUSING EXCESSIVE BINDING ON FERRULE - PERSONNEL/MAINTENANCE ERROR - UNAPPROVED PART

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.