# SDR QMLA2025052020058

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2025
- Submitted: May 23, 2025
- Operation: Air carrier
- Aircraft: [N328CH](https://openairdocs.org/aircraft/N328CH), registered now
- Make and model: Urocop EC 130 B4
- Registry model: [Urocop EC 130 B4](https://openairdocs.org/model/eurocopter-ec-130-b4) (OpenAirDocs)
- Aircraft serial: 7328
- Aircraft time: 4,681 hours, 16,892 cycles
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Gearbox
- Condition: Making Metal
- Location: Main Rotor
- 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/QMLA2025052020058

## Discrepancy

MAIN ROTOR GEARBOX CHIP 'MGB CHIP' LIGHT ILLUMINATED IN FLIGHT. INSPECTED FOUND 1 CLASS F PARTICLE. - GROUND RUN CW - OPS CHECK GOOD.

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