# SDR DALA1015200645

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2010
- Submitted: July 2, 2010
- Operation: Air carrier
- Aircraft: N645DL
- Make and model: Boeing 757232
- Aircraft serial: 24216
- Aircraft time: 72,366 hours, 32,328 cycles
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Display
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1015200645

## Discrepancy

DURING FLIGHT, AN ELECTRICAL BURNING SMELL WAS EXPERIENCED IN THE COCKPIT ALONG WITH LEFT HSI FAILURE.  MAINTENANCE REPLACED THE LEFT HSI DISPLAY UNIT.  OPERATIONAL CHECK WAS GOOD.

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