# SDR NWAA073616717

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2007
- Submitted: October 31, 2007
- Operation: Air carrier
- Aircraft: [N617US](https://openairdocs.org/aircraft/N617US), registered now
- Make and model: Boeing 747251F
- Aircraft serial: 21121
- Aircraft time: 106,391 hours, 26,010 cycles
- System (JASC): [3097 · Ice/Rain Protection System Wiring](https://openairdocs.org/jasc/3097)
- Part: Terminal Block
- Condition: Smoke
- Location: Window Heat
- 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/NWAA073616717

## Discrepancy

DURING FLIGHT, SMOKE WAS NOTED PILOTS L-1 WINDOW LOWER LEFT TERMINAL BLOCK WAS SMOKING AND APPEARS MELTED.  POWER TO L-1 WINDOW WAS TURNED OFF AND SMOKE AND SMELL DISSIPATED.  FLIGHT CONTINUED ON AND LANDING WAS UNEVENTFUL.  MAINTENANCE REMOVED AND REPLACED NR 1 WINDSHIELD.  OPERATIONAL CHECKED GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.

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