# SDR 5C8Y2019080129709

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2019
- Submitted: August 1, 2019
- Operation: General aviation
- Filed by: [Scanaviation A/S, repair station 5C8Y363D](https://openairdocs.org/faa-repair-station/5C8Y363D/scanaviation-a-s.md) (OpenAirDocs)
- Aircraft: [N125WF](https://openairdocs.org/aircraft/N125WF), registered now
- Make and model: Robsin R44RAVENII
- Aircraft serial: 10445
- Engine: Lyc IO540AE1A5
- System (JASC): [8500 · Engine (Reciprocating)](https://openairdocs.org/jasc/8500)
- Part: Idler Gear
- Condition: Damaged
- Location: Crankshaft
- Component: Engine, Lyc
- Component part number: IO540AE1A5
- Stage of operation: NR
- How discovered: 9
- Nature of condition: Y
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/5C8Y2019080129709

## Discrepancy

CRANKSHAFT GEAR/IDLER GEAR. TEETH RIPPED/SEPARATED. FOUND DURING PRELIMINARY INSPECTION.

---
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.