# SDR 2023F00280

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2023
- Submitted: September 19, 2023
- Operation: General aviation
- Aircraft: [N940PH](https://openairdocs.org/aircraft/N940PH), registered now
- Make and model: Skrsky S92A
- Aircraft serial: 920206
- Aircraft time: 9,201 hours
- System (JASC): [6320 · Main Rotor Gearbox](https://openairdocs.org/jasc/6320)
- Part: Gearbox
- Part number: 9235115100050
- Part serial: A17300104
- Condition: Bypassing
- Location: Main
- Part time: 6,801 hours
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023F00280

## Discrepancy

ON CLIMB OUT FROM HMA, THE MGB BYPASS LIGHT ILLUMINATED. PERFORMED EP AND RETURNED FOR LANDING.

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