# SDR DT1R2012041204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2012
- Submitted: April 12, 2012
- Operation: General aviation
- Filed by: [Leonardo Helicopters U.S. Corporation, repair station DT1R098K](https://openairdocs.org/faa-repair-station/DT1R098K/leonardo-helicopters-u-s-corporation.md) (OpenAirDocs)
- Aircraft: N207CF
- Make and model: Agusta A119
- Registry model: [Agusta A119](https://openairdocs.org/model/agusta-a119) (OpenAirDocs)
- Aircraft serial: 14006
- Aircraft time: 4,854 hours
- Engine: Pwa PT6B37A
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Gear
- Part number: 109040307103
- Part serial: D32209
- Condition: Cracked
- Location: M/R Gearbox
- Part time: 4,854 hours
- Component: Main Gear Box, Agusta
- Component part number: 109040005103
- 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/DT1R2012041204

## Discrepancy

DURING 4800 HR O/H INSPECTION, SUBJECT GLEASON CROWN GEAR WAS FOUND TO HAVE A CRACK.

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