# SDR IPXA2026061272741

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2026
- Submitted: June 12, 2026
- Operation: Air carrier
- Aircraft: [N580UP](https://openairdocs.org/aircraft/N580UP), registered now
- Make and model: Boeing 747428F
- Aircraft serial: 25632
- Aircraft time: 123,796 hours, 21,177 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Windshield
- Part number: NP103801117
- Part serial: 111530026
- 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/IPXA2026061272741

## Discrepancy

AT CRUISE FL350 CAPTAIN'S #1 FORWARD WINDOW OUTER PANE SHATTERED RESULTED IN WINDOW HEAT L STATUS MESSAGE AND HEAT WINDOW L EICAS MESSAGE. WINDSHIELD INSTALLATION COMPLETE PER AMM 56-11-01.    WINDSHIELD HEAT CONTROLLER OPS CHECK GOOD PER B747-400 AMM TASK 30-41-00-715-025

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