# SDR 2002FA0000320

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2002
- Submitted: February 26, 2002
- Operation: General aviation
- Aircraft: [N739LD](https://openairdocs.org/aircraft/N739LD), registered now
- Make and model: Cessna 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Aircraft serial: 17270620
- Aircraft time: 12,291 hours
- System (JASC): [3397 · Light System Wiring](https://openairdocs.org/jasc/3397)
- Part: Switch
- Part number: TTGCTA201TWB
- Condition: Failed
- Location: Instrument Panel
- Stage of operation: LD
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002FA0000320

## Discrepancy

DURING LANDING APPROACH SMOKE WAS DETECTED IN THE COCKPIT COMING FROM THE LOWER PILOT SIDE INSTRUMENT PANEL FROM THE LANDING / TAXI LIGHT COMBINATION SWITCH.  THIS IS AN ONGOING PROBLEM WITH THESE SWITCHES.

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