# SDR 29GA2023082900001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2023
- Submitted: August 30, 2023
- Operation: Air carrier
- Aircraft: [N705SV](https://openairdocs.org/aircraft/N705SV), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 1038
- Aircraft time: 14,391 hours, 12,902 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: V
- Nature of condition: B
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/29GA2023082900001

## Discrepancy

AT FL200 HEARD NOISE FROM AVIONICS RACK, 30 SECONDS LATER SMOKE AND STRONG ELECTRICAL SMELL IN COCKPIT. NOTHING NOTED IN CABIN.  OPENED AND INSPECTED ALL FWD AVIONICS COMPARTMENTS FOR EVIDENCE OF ELECTRICAL ARCING BURNT. SMELL AND OR C/B POPPING AND UNABLE TO FIND ANY. RUN AIRCRAFT AVIONIC SYSTEMS POWER, NO DEFECTS NOTED. ORIGINAL SUBMISSION DATE: 8/29/2023

---
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.