# SDR 2021FA0000421

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2021
- Submitted: December 22, 2021
- Operation: General aviation
- Aircraft: [N7203C](https://openairdocs.org/aircraft/N7203C), registered now
- Make and model: Beech 1900C
- Registry model: [Beech 1900C](https://openairdocs.org/model/beech-1900c) (OpenAirDocs)
- Aircraft serial: UB28
- Aircraft time: 36,212 hours, 55,899 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Blower
- Part number: 11438002811
- Part serial: 985A
- Condition: Failed
- Location: Venting
- Part time: 4,960 hours, 6,830 cycles
- Stage of operation: CR
- 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/2021FA0000421

## Discrepancy

WHILE IN FLIGHT, THE FLIGHT CREW NOTED A BURNING SMELL.  THE VENT WAS SHUT OFF AND THE SMELL DISSIPATED. BFI MAINTENANCE INSPECTED AND FOUND THAT VENT BLOWER WAS DEFECTIVE.  DEFERRED, VENT BLOWER ON ORDER.

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