# SDR 8NZY202301180001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2023
- Submitted: January 18, 2023
- Operation: General aviation
- Filed by: [Salus Aviation AW Limited, repair station 8NZY721C](https://openairdocs.org/faa-repair-station/8NZY721C/salus-aviation-aw-limited.md) (OpenAirDocs)
- Aircraft: [N350HC](https://openairdocs.org/aircraft/N350HC), registered now
- Make and model: Snias AS350B2
- Aircraft serial: 3361
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Planetary Gear
- Part number: 350A32108203
- Part serial: ZF19345
- Condition: Damaged
- Location: Main Rotor
- Part time: 3,818 hours, 11,618 cycles
- Component: Epicyclic Assy, Snias
- Component part number: 350A32011000
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/8NZY202301180001

## Discrepancy

WHILE INSPECTING ONE OF THE FIVE PLANETARY GEARS.  THE ENGINEER NOTICED A RING LIKE PATTERN ON ONE OF THE TEETH.  WHEN THEY RUBBED THE AREA WITH THEIR FINGERNAIL TO SEE IF THE STAIN WAS PERMANENT A CHIP OF METAL FELL AWAY.

---
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.