Narrative:

An air carrier 727 reported braking action poor. We were cleared for takeoff. Captain is at the controls of the aircraft. Captain released the brakes and made the initial power application. The #2 engine was slow to come up to speed. The aircraft started to turn to the right and then skid towards the right side of the runway. The captain immediately closed the throttles. The aircraft continued to skid towards the right side of the runway at about 5 mph. The aircraft slowly exited the runway finally coming to rest with the nosewheel 6 ft off the runway. The main wheels remained on the runway. The first officer reported our location and that we would need a tow. The aircraft was not evacuate/evacuationed. 2 hours later the passenger were taken off by portable stairs. A total of 3 hours from the incident the aircraft was pushed back onto the runway and towed to the gate. I believe the asymmetrical thrust as #2 engine was slow to come up was the main cause of the incident. The environmental conditions of 32 degrees F and 1/2 inch snow on runway recently treated with urea contributed to this incident.

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Original NASA ASRS Text

Title: OFF THE EDGE OF AN ICY RWY.

Narrative: AN ACR 727 RPTED BRAKING ACTION POOR. WE WERE CLRED FOR TKOF. CAPT IS AT THE CTLS OF THE ACFT. CAPT RELEASED THE BRAKES AND MADE THE INITIAL PWR APPLICATION. THE #2 ENG WAS SLOW TO COME UP TO SPD. THE ACFT STARTED TO TURN TO THE R AND THEN SKID TOWARDS THE R SIDE OF THE RWY. THE CAPT IMMEDIATELY CLOSED THE THROTTLES. THE ACFT CONTINUED TO SKID TOWARDS THE R SIDE OF THE RWY AT ABOUT 5 MPH. THE ACFT SLOWLY EXITED THE RWY FINALLY COMING TO REST WITH THE NOSEWHEEL 6 FT OFF THE RWY. THE MAIN WHEELS REMAINED ON THE RWY. THE FO RPTED OUR LOCATION AND THAT WE WOULD NEED A TOW. THE ACFT WAS NOT EVACED. 2 HRS LATER THE PAX WERE TAKEN OFF BY PORTABLE STAIRS. A TOTAL OF 3 HRS FROM THE INCIDENT THE ACFT WAS PUSHED BACK ONTO THE RWY AND TOWED TO THE GATE. I BELIEVE THE ASYMMETRICAL THRUST AS #2 ENG WAS SLOW TO COME UP WAS THE MAIN CAUSE OF THE INCIDENT. THE ENVIRONMENTAL CONDITIONS OF 32 DEGS F AND 1/2 INCH SNOW ON RWY RECENTLY TREATED WITH UREA CONTRIBUTED TO THIS INCIDENT.

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.