# SDR 99ZZZX1460

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N431ER
- Make and model: Cessna 172R
- Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (OpenAirDocs)
- Aircraft serial: 17280301
- System (JASC): [3340 · Exterior Lighting](https://openairdocs.org/jasc/3340)
- Part: Switch
- Part number: CM358910
- Condition: Overheated
- Location: Cockpit
- Part time: 1,127 hours
- Stage of operation: CL
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX1460

## Discrepancy

PILOT TOOK OFF AND NOTICED A BURNING SMELL. THEY IMMEIDATELY LANDED AFTERWARDS. THE PILOT NOTICED THE LANDING LIGHT SWITCH WAS EXTREMELY HOT TO THE TOUCH.  REPLACEMENT OF THE SWITCH/BREAKER SOLVED THE PROBLEM.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.