# SDR SWAA051807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2005
- Submitted: June 21, 2005
- Operation: Air carrier
- Aircraft: N637SW
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27710
- Aircraft time: 29,800 hours, 24,837 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Part number: 5893543130
- Part serial: 99342H5353
- Condition: Cracked
- Location: Cockpit
- Stage of operation: CL
- 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/SWAA051807

## Discrepancy

AIR TURNBACK/DECLARED EMERGENCY.  CLIMBING THROUGH 20,000FT NOTICED LARGE CRACK DEVELOPING ON R1 COCKPIT WINDSHIELD.  REMOVED AND REPLACED R1 WINDOW & HEAT CONTROLLER PER MM.

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