# SDR 77865

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2005
- Submitted: November 9, 2005
- Operation: General aviation
- Filed by: [Aircraft Propeller Service, LLC, repair station EY2R811K](https://openairdocs.org/faa-repair-station/EY2R811K/aircraft-propeller-service-llc.md) (OpenAirDocs)
- Make and model: Piper PA-31-350
- Registry model: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (OpenAirDocs)
- Propeller: Hartzl HCC4YR2
- System (JASC): [6120 · Propeller Controlling System](https://openairdocs.org/jasc/6120)
- Part: Fork
- Part number: C4503
- Condition: Cracked
- Location: Pitch Change
- Part time: 1,687 hours
- Component: Propeller, Hartzl, HCC4YR2
- Component part number: C3R00035
- Stage of operation: IN
- How discovered: M
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/77865

## Discrepancy

DURING OVERHAUL THE C4503 WAS FOUND TO BE CRACKED AFTER BEING MAGNAFLUXED.

---
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.