# SDR AXSA 991 10/14/16

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2016
- Submitted: October 17, 2016
- Operation: Air carrier
- Aircraft: [N991FX](https://openairdocs.org/aircraft/N991FX), registered now
- Make and model: Cessna 208B
- Registry model: [Cessna 208B](https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Aircraft serial: 208B2279
- Aircraft time: 2,208 hours, 2,060 cycles
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Transponder
- Part number: 0110077910
- Part serial: 89120700
- Condition: Failed
- Part time: 2,208 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AXSA%20991%2010%2F14%2F16

## Discrepancy

THE PILOT REPORTED SMELLING SOMETHING HOT FOLLOWED BY TRANSPONDER NR 1 BECOMING INOPERATIVE. THE PILOT PULLED THE APPROPRIATE CIRCUIT BREAKER AND CONTINUED ON WITH THE NR 2 TRANSPONDER.

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