# SDR SWAA2026071762283

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2026
- Submitted: July 18, 2026
- Operation: Air carrier
- Aircraft: [N483WN](https://openairdocs.org/aircraft/N483WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32472
- Aircraft time: 71,685 hours, 42,981 cycles
- System (JASC): [3040 · Windshield/Door Rain/Ice Removal](https://openairdocs.org/jasc/3040)
- Part: Control Unit
- Condition: Failed
- Location: Zone 200
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026071762283

## Discrepancy

L1 WINDOW SHATTERED IN FLIGHT. R & R LT CAPT. WINDOW NR 1 IAW MM 56-11-11.  R & R LT FRONT M321 WINDOW HEAT CONTROL UNIT IAW MM 30-41-11.  OPS CHKD OK. C/W EFIS CONTROL PANEL INSTALLATION IAW MM 31-62-12-400-801 AND DFCS MCP INSTALLATION IAW MM 22-11-34-400-801.

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