# SDR MALA040351

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2004
- Submitted: April 28, 2004
- Operation: Air carrier
- Aircraft: N425XJ
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B425
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Heater
- Part number: 13051002
- Part serial: 4401
- Condition: Sparks
- Location: Cabin
- Stage of operation: IN
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA040351

## Discrepancy

AUX HEAT SYSTEM - F/A NOTICED SMALL SPARKS COMING FROM FWD HEATER BOX DURING PREFLIGHT.  MAINTENANCE  REMOVED AND REPLACED FWD HEATER ASSY.  P/N OFF&ON 1305100-2, S/N OFF 4401, S/N ON 382 IAW AAR CMM.  REMOVED FROM DMR, MXC NOTIFIED.

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