# SDR 2021FA0000408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2021
- Submitted: December 18, 2021
- Operation: General aviation
- Aircraft: [N81DX](https://openairdocs.org/aircraft/N81DX), registered now
- Make and model: Cirrus SF50
- Registry model: [Cirrus SF50](https://openairdocs.org/model/cirrus-design-sf50) (OpenAirDocs)
- Aircraft serial: 2319
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: Transponder
- Condition: Defective
- Component: Na
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2021FA0000408

## Discrepancy

SLC IS REPORTING N1DX, AN R66 IN FLORIDA, AS WELL AS N81DX OUT OF SLC AS N1DX. IT IS NOT A ONE TIME OCCURRENCE. IT’S BEEN GOING ON FOR MONTHS.

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