Narrative:

At 35000 ft during cruise flight, approximately 65 NM west of bna en route to ZZZ1 from ZZZ2, the first officer's windshield cracked, looking like a spider web, covering the entire windshield pane. An emergency was declared and a rapid descent initiated and we diverted to ZZZ3. All checklist and appropriate procedures were accomplished. A VFR approach and landing at ZZZ3 took place.

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Original NASA ASRS Text

Title: A B737-300 IN CRUISE AT FL350 DECLARED AN EMER AND DIVERTED DUE TO FO'S WINDSHIELD EXPERIENCED SPIDER WEB CRACKS.

Narrative: AT 35000 FT DURING CRUISE FLT, APPROX 65 NM W OF BNA ENRTE TO ZZZ1 FROM ZZZ2, THE FO'S WINDSHIELD CRACKED, LOOKING LIKE A SPIDER WEB, COVERING THE ENTIRE WINDSHIELD PANE. AN EMER WAS DECLARED AND A RAPID DSCNT INITIATED AND WE DIVERTED TO ZZZ3. ALL CHKLIST AND APPROPRIATE PROCS WERE ACCOMPLISHED. A VFR APCH AND LNDG AT ZZZ3 TOOK PLACE.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.