Narrative:

On descent to ont at approximately FL190 the first officer observed arcing in the lower right corner of his windshield followed by an arc in the upper left area. The outer pane cracked and we accomplished the procedures and landed uneventfully at our destination.

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Original NASA ASRS Text

Title: An A320 flight crew suffered a cracked cockpit window on descent to their destination.

Narrative: On descent to ONT at approximately FL190 the First Officer observed arcing in the lower right corner of his windshield followed by an arc in the upper left area. The outer pane cracked and we accomplished the procedures and landed uneventfully at our destination.

Data retrieved from NASA's ASRS site as of April 2012 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.