# SDR UPS99431012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N676UP](https://openairdocs.org/aircraft/N676UP), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20101
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Control
- Part number: 6171545
- Condition: Failed
- Location: Lt Windshield
- Stage of operation: CL
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS99431012

## Discrepancy

INSPECTION TYPE:N/A, AFTER T/O CAPT'S WINDOW HEAT BEGAN TO EMIT WHITE SMOKE.  TURNED HEAT OFF AND SMOKE STOPPED.  REMOVED AND REPLACED WINDOW HEAT CONTROLLER AND SECURED CONNECTORS ON WINDOW CONTACTS, OPS CK NORMAL.  (P/N 617154-5), (S/N 079C-188) OFF, (S/N 026C-1904) ON.

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