# SDR P5CA0300765

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2003
- Submitted: February 14, 2003
- Operation: Air carrier
- Aircraft: [N451PA](https://openairdocs.org/aircraft/N451PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30809
- Aircraft time: 8,669 hours, 1,514 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Controller
- Part number: 29155
- Part serial: 1279
- Condition: Faulty
- Location: 1r Window
- Stage of operation: CR
- How discovered: V
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA0300765

## Discrepancy

AFTER TWO HOURS OF FLT SMOKE WAS OBSERVED COMING FROM RT SIDE COCKPIT. AOM PROCEDURE COMPLIED W/. SMOKE SOURCE TRACED TO LWR AREA OF NUMBER 1 RT WINDOW. WINDOW HEAT 1R SWITCHED OFF, SMOKE STOPPED. AREA OF GREASE WAS OBSERVED ALONG LWR PART OF WINDOW. REMOVED AND REPLACED 1R WINDOW HEAT CONTROL UNIT AS PER MM 30-41-01. OPS CHECKS NORMAL.

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