# SDR MALA040659

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2004
- Submitted: November 5, 2004
- Operation: Air carrier
- Aircraft: N423XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B423
- Aircraft time: 16,989 hours, 18,864 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Brushes
- Condition: Failed
- Location: Fan Motor
- Stage of operation: NR
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA040659

## Discrepancy

SUPPLEMENTAL AC INOP.  BURNING/SMOKE ODOR.  MAINTENANCE REPLACED BELT & PULLEY.  REMOVED FROM DMR, FOUND BELT SHROUD AND MOTOR IN BRUSH WORN.  REMOVED AND REPLACED MOTOR, ALL THE ABOVE RAN, SUPP AC OPS CHECK GOOD.  NO ODOR NOTED AT THIS TIME.  S/N OFF 449, S/N ON 667, NOTIFIED MXC.

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