Narrative:

Right after the 80 knot call the aircraft hit a bump in the runway and the captain's window popped open. Captain elected to abort. Exited runway and taxied aircraft to the ramp where maintenance meet us to check the brakes. They confirmed all okay with aircraft. Checked brake cooling chart and followed the time requirements for cooling. Departed and contacted dispatch and asked for maintenance to meet the aircraft at destination.

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Original NASA ASRS Text

Title: B737 flight crew reports Captain's sliding window opening during the takeoff roll. Takeoff is rejected and after brake cooling and maintenance inspection flight departs.

Narrative: Right after the 80 knot call the aircraft hit a bump in the runway and the Captain's window popped open. Captain elected to abort. Exited runway and taxied aircraft to the ramp where maintenance meet us to check the brakes. They confirmed all okay with aircraft. Checked brake cooling chart and followed the time requirements for cooling. Departed and contacted Dispatch and asked for Maintenance to meet the aircraft at 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.