Narrative:

Air carrier X was instructed to taxi to runway 5L, hold short of runway 5 at taxiway november. The aircraft taxied from the ramp to taxiway sierra and was expected to taxi via lima taxiway to november taxiway and hold short of runway 5R. The aircraft, however, followed the green centerline lights on taxiway sierra and almost taxied onto runway 5R. The aircraft was stopped by the ground controller prior to entering runway 5R. At the same time, air carrier Y, an medium large transport, was cleared for takeoff on runway 5R. No runway incursion occurred or evasive action taken, but it was only because of the quick actions of the ground controller.

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Original NASA ASRS Text

Title: ACR DEVIATED FROM TAXI CLRNC DUE TO NEW TXWY CENTERLINE LIGHTS AND ALMOST ENTERED AN ACTIVE RWY.

Narrative: ACR X WAS INSTRUCTED TO TAXI TO RWY 5L, HOLD SHORT OF RWY 5 AT TXWY NOVEMBER. THE ACFT TAXIED FROM THE RAMP TO TXWY SIERRA AND WAS EXPECTED TO TAXI VIA LIMA TXWY TO NOVEMBER TXWY AND HOLD SHORT OF RWY 5R. THE ACFT, HOWEVER, FOLLOWED THE GREEN CENTERLINE LIGHTS ON TXWY SIERRA AND ALMOST TAXIED ONTO RWY 5R. THE ACFT WAS STOPPED BY THE GND CTLR PRIOR TO ENTERING RWY 5R. AT THE SAME TIME, ACR Y, AN MLG, WAS CLRED FOR TKOF ON RWY 5R. NO RWY INCURSION OCCURRED OR EVASIVE ACTION TAKEN, BUT IT WAS ONLY BECAUSE OF THE QUICK ACTIONS OF THE GND CTLR.

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.