Narrative:

Cockpit door was not verified locked during before push back checklist. Cockpit door came open during takeoff roll. Make sure items on checklist are actually done when checklist is read.

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Original NASA ASRS Text

Title: A B737-300's flight station door opened on takeoff because it was not completely closed on the before taxi checklist.

Narrative: Cockpit door was not verified locked during before push back checklist. Cockpit door came open during takeoff roll. Make sure items on checklist are actually done when checklist is read.

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.