# SDR SCNA20260821369

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2026
- Submitted: August 21, 2026
- Operation: Air carrier
- Aircraft: [N850SY](https://openairdocs.org/aircraft/N850SY), registered now
- Make and model: Boeing 737-8KN
- Registry model: [Boeing 737-8KN](https://openairdocs.org/model/boeing-737-8kn) (OpenAirDocs)
- Aircraft serial: 40265
- Aircraft time: 39,020 hours, 14,747 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Condition: Cracked
- Location: Zone 200
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20260821369

## Discrepancy

L1 WINDOW OVERHEAT MESSAGE. L1 WINDOW CRACKED. RAN BOTH QRH CHECKLIST.  REMOVED AND REPLACED L1 WINDOW ASSY IAW AMM 56-11-11/401 OPS AND LEAK CHECKS GOOD.

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