# SDR 2015F00060

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2015
- Submitted: March 20, 2015
- Operation: General aviation
- Aircraft: [N101HF](https://openairdocs.org/aircraft/N101HF), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53463
- Aircraft time: 5,236 hours, 17,991 cycles
- Engine: Allsn 250C47B
- Engine time: 8,098 hours, 15,525 cycles
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Transmission
- Part number: 407040006107FMS
- Part serial: A292
- Condition: Making Metal
- Location: Main Rotor
- Part time: 5,040 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2015F00060

## Discrepancy

TRANSMISSION CHIP LIGHT ILLUMINATED IN FLIGHT, PILOT MADE AA PRECAUTIONARY LANDING. INSPECTION REVEALED METAL IN OIL. TRANSMISSION REMOVED FOR OVERHAUL/REPAIR.

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