# SDR 2023FA0000024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2023
- Submitted: January 11, 2023
- Operation: General aviation
- Aircraft: [N416CF](https://openairdocs.org/aircraft/N416CF), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 54393
- Aircraft time: 3,578 hours, 13,640 cycles
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Transmission
- Part number: 407040006127
- Part serial: A1273
- Condition: Making Metal
- Location: Main Rotor
- Part time: 3,578 hours
- Stage of operation: AA
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023FA0000024

## Discrepancy

TRANSMISSION CHIP LIGHT ILLUMINATED, FOUND METAL DEBRIS ON LOWER CHIP DETECTOR

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