# SDR K11A2022062800134

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 28, 2022
- Submitted: July 5, 2022
- Operation: Air carrier
- Aircraft: [N331CK](https://openairdocs.org/aircraft/N331CK), registered now
- Make and model: Boeing 737-3Y0
- Registry model: [Boeing 737-3Y0](https://openairdocs.org/model/boeing-737-3y0) (OpenAirDocs)
- Aircraft serial: 23747
- Aircraft time: 73,081 hours, 49,928 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Part number: 5893543149
- Part serial: 11097H4673
- Condition: Cracked
- Location: L1
- Stage of operation: CR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/K11A2022062800134

## Discrepancy

L1 WINDOW HEAT CAUSED DELAMINATION RESULTING IN CRACKS.  R&R L1 WINDOW IAW B737 AMM 56-11-11 NO DEFECTS NOTED. PER COMPANY REQUEST R&R L1 WINDOW HEAT CONTROLLER IAW B737 AMM 30-41-11 OPS CHECK GOOD

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