# SDR 2012FA0000622

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2012
- Submitted: September 14, 2012
- Operation: General aviation
- Aircraft: N535M
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE322
- System (JASC): [2197 · Air Conditioning System Wiring](https://openairdocs.org/jasc/2197)
- Part: Resistor
- Part number: RH502
- Part serial: 077A
- Condition: Malfunctioned
- Location: Blower
- Part time: 72 hours
- Component: Vent Blower
- Component part number: 1143088289
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2012FA0000622

## Discrepancy

ACFT VENT BLOWER WAS REPLACED BEFORE SCHEDULED MAINTENANCE PERIOD.  INTERNAL MALFUNCTION OF THE VENT BLOWER RESISTOR FOUND TO BE THE PROBLEM OF COMPONENT FAILURE.  REMOVED AND REPLACED RESISTOR.

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