# SDR M3XA20240425006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2024
- Submitted: April 26, 2024
- Operation: Air carrier
- Aircraft: [N516MT](https://openairdocs.org/aircraft/N516MT), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53762
- Aircraft time: 7,218 hours, 24,332 cycles
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Transmission
- Part number: 407040006115FM
- Part serial: A553
- Condition: Making Metal
- Location: Zone 200
- Part time: 10,996 hours
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/M3XA20240425006

## Discrepancy

PILOT PERFORMED A PRECAUTIONARY LANDING FOR A MAIN XMSN CHIP LIGHT ILLUMINATION IN CRUISE FLIGHT.  MECHANIC INSPECTED CHIP DETECTORS AND FOUND A SMALL SLIVER.  CLEANED CHIP DETECTOR AND PERFORMED A SERVICEABILITY CHECK.  DRAINED AND SERVICED WITH NEW OIL, REPLACED OIL FILTER.  MOC OK WITH NO FURTHER DEFECTS.

---
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.