# SDR M3XA20211101005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2021
- Submitted: November 4, 2021
- Operation: Air carrier
- Aircraft: [N655RA](https://openairdocs.org/aircraft/N655RA), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 54116
- Aircraft time: 2,263 hours, 10,912 cycles
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Transmission
- Part number: 407040007103
- Part serial: BH246216
- Condition: None
- Location: Center Fuselage
- Part time: 1,756 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/M3XA20211101005

## Discrepancy

PILOT REPORTED IN CRUISE FLIGHT A TRANSMISSION CHIP LIGHT ILLUMINATED WITH A PATIENT ON BOARD.  PILOT PERFORMED A PRECAUTIONARY LANDING WITHOUT INCIDENT.  PATIENT WAS TRANSPORTED BY GROUND.  MECHANIC INSPECTED TRANSMISSION CHIP DETECTORS AND FOUND A HAIR LIKE SLIVER.  CLEANED TRANSMISSION CHIP DETECTORS AND REINSTALLED.  PERFORMED A 20 MINUTE GROUND RUN UNDER POWER AND RE-INSPECTED CHIP PLUG.  NO FURTHER DEFECTS.  REPOSITIONED AIRCRAFT TO BASE AND PERFORMED A SERVICEABILITY CHECK PER THE BELL MAINTENANCE MANUAL WITH NO DEFECTS NOTED.  AIRCRAFT RELEASED FOR RETURN TO SERVICE.

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