# SDR RU3A20190425014

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2019
- Submitted: April 25, 2019
- Operation: Air carrier
- Aircraft: [N77](https://openairdocs.org/aircraft/N77), registered now
- Make and model: Beech 300BEECH
- Aircraft serial: FF12
- Aircraft time: 17,172 hours, 8,897 cycles
- System (JASC): [3445 · Air Collision Avoidance System](https://openairdocs.org/jasc/3445)
- Part: Tcas System
- Condition: Failed
- Stage of operation: NR
- 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/RU3A20190425014

## Discrepancy

HEARD POPPING NOISE IN HEADSETS, FOLLOWED BY TCAS FAILURE, FOLLOWED BY ELECTRICAL FUMES IN CABIN.

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