Narrative:

Assigned runway 25 for takeoff, followed taxi route runway 19 inadvertently. (Probably because we had used runway 19 the night before.) tower cleared us for takeoff. We started to line up 090 degrees, noticed wrong runway, stopped takeoff sequence and exited runway. No other aircraft involved or affected. No heads up from tower.

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Original NASA ASRS Text

Title: B757 FREIGHTER TAXIED ONTO WRONG RWY FOR DEP. NOTICED ERROR AND EXITED RWY. TWR NOT AWARE.

Narrative: ASSIGNED RWY 25 FOR TKOF, FOLLOWED TAXI RTE RWY 19 INADVERTENTLY. (PROBABLY BECAUSE WE HAD USED RWY 19 THE NIGHT BEFORE.) TWR CLRED US FOR TKOF. WE STARTED TO LINE UP 090 DEGS, NOTICED WRONG RWY, STOPPED TKOF SEQUENCE AND EXITED RWY. NO OTHER ACFT INVOLVED OR AFFECTED. NO HEADS UP FROM TWR.

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.