# SDR 97ZZZX1199

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N401SB](https://openairdocs.org/aircraft/N401SB), registered now
- Make and model: Beech 58
- Registry model: [Beech 58](https://openairdocs.org/model/beech-58) (OpenAirDocs)
- Aircraft serial: TH641
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Motor
- Part number: 75D80
- Condition: Runs Backward
- Location: Combustion Air
- Part time: 163 hours
- Component: Janitrol, B4050
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX1199

## Discrepancy

FOUND HEATER RUNS RICH, AFTER A LONG TROUBLESHOOTING TIME DISCOVERED COMBUSTION AIR FAN MOTOR RAN BACKWARDS.

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