# SDR 2022F00410

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2022
- Submitted: October 24, 2022
- Operation: General aviation
- Aircraft: [N990LC](https://openairdocs.org/aircraft/N990LC), registered now
- Make and model: Lear 35A
- Registry model: [Lear 35A](https://openairdocs.org/model/gates-learjet-35a) (OpenAirDocs)
- Aircraft serial: 35A483
- Aircraft time: 17,328 hours, 12,574 cycles
- Engine: Garrtt TFE73122B
- System (JASC): [3310 · Flight Compartment Lighting](https://openairdocs.org/jasc/3310)
- Part: None
- Condition: None
- Component: Display System
- Component part number: 66083021
- Stage of operation: CR
- How discovered: V
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2022F00410

## Discrepancy

ON ACTIVATION ON PILOT INSTRUMENT LIGHT RHEOSTAT, SMOKE WAS EVIDENT FROM BEHIND THE MAIN INSTRUMENT PANEL. RETURNED TO THE AIRPORT OF ORIGIN, LANDING UNEVENTFUL.

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