# SDR 2005FA0000091

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2004
- Submitted: February 11, 2005
- Operation: General aviation
- Aircraft: [N75776](https://openairdocs.org/aircraft/N75776), registered now
- Make and model: Cessna 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Aircraft serial: 17267942
- Engine: Lyc O320*
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Smoke
- Condition: Detected
- Location: Cockpit
- 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/2005FA0000091

## Discrepancy

PILOT REPORTED SMOKE IN THE COCKPIT.  INVESTIGATION FOUND THE (AUDIO AMP) CIRCUIT BREAKER POPPED.  COULD NOT FIND THE DIRECT CAUSE.  HOWEVER, THE RADIOS ARE ORIGINAL EQUIPMENT, WHICH MAY HAVE CAUSED THE SMOKE IN THE COCKPIT.  (SO05200504849)

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