# SDR QMLA2026091720070

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2026
- Submitted: September 18, 2026
- Operation: Air carrier
- Aircraft: [N642PC](https://openairdocs.org/aircraft/N642PC), registered now
- Make and model: Pilats PC1245
- Aircraft serial: 642
- Aircraft time: 15,503 hours, 20,405 cycles
- System (JASC): [3425 · Integrated Flight System](https://openairdocs.org/jasc/3425)
- Part: Ehsi
- Part number: 066031373100
- Part serial: 5372
- Condition: Faulted
- Location: Zone 200
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QMLA2026091720070

## Discrepancy

FUMES IN CABIN DUE TO EHSI FAILURE.  INSPECTED ELECTRICAL CONNECTOR, WIRING, AND ALL AREAS ADJACENT TO EHSI UNIT.  ODOR OF ELECTRICAL BURNING WAS ISOLATED TO THE EHSI UNIT ONLY AND ALL SURROUNDING AREAS AND WIRING WERE NOT AFFECTED.   DETERMINED EHSI UNIT FAILED DUE TO INTERNAL FAILURE.  REMOVED AND REPLACED EHSI DISPLAY.

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