# SDR MASA200500285

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2005
- Submitted: April 11, 2005
- Operation: Air carrier
- Aircraft: N833MJ
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145327
- Aircraft time: 10,651 hours, 9,913 cycles
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: Dau
- Part number: 7013348940
- Part serial: 01034166
- Condition: Overheated
- Location: Nr 1
- Part time: 8,244 hours, 7,852 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: M, B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MASA200500285

## Discrepancy

AIRCRAFT RETURNED TO THE FIELD.  CREW REPORTED A DU1 OVERHEAT MESSAGE AND SPS ADVANCE MESSAGE WITH STRONG ELECTRICAL SMOKE ODOR IN THE FLIGHT DECK AND CABIN.  MAINTENANCE FOUND THE DAU 1 BAD AND REPLACED IT AND PERFORMED THE SYSTEM OPERATIONAL CHECKS.

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