Narrative:

Shortly before departure, pvd received a moderate downpour of mixed freezing rain, sleet, and snow. I observed maintenance deicing the aircraft prior to my boarding. As I boarded via airstairs, I looked over the left wing for any evidence of ice, then checked the right wing out the forward service door and then checked both wings through the windows at mid cabin. Wings appeared clear of any ice or snow although they were wet with deicing fluid. After passengers were boarded, maintenance again drove around aircraft spraying with deicing fluid. The precipitation stopped just moments before takeoff. Our taxi time was about 5 mins. As takeoff power was applied, we got a momentary takeoff warning horn. I checked that the speed brake handle was fully in the down detent by pressing down on the handle. The warning horn silenced and did not reoccur, and takeoff roll was continued. When the aircraft was rotated, the right wing did not lift at all, despite approximately 45-60 degrees left aileron input. I hesitated the rotation, but the right wing immediately fell off. Suspecting possible ice contamination or a possible correlation to the earlier takeoff warning horn I aborted the takeoff at 120 KTS. We stopped the aircraft with about 1500 ft of runway remaining, and returned to the gate. Maintenance checked all flight controls, flaps, slats, leading edges, flight and ground spoilers and the fuel load. All items checked normal. Ice contamination could not be confirmed nor eliminated after the high speed abort and the fact the temperature had risen after the precipitation had stopped. I can only speculate as to whether ice was the cause, or 'if' the aircraft would have flown had the takeoff been continued. A high speed abort during rotation is not an enjoyable event. We were fortunate to have been lightly loaded and to have had a long runway. Always expect the unexpected even after all precautions and procedures have been taken, especially with ice.

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Original NASA ASRS Text

Title: ABORTED TKOF PAST ROTATION SPD.

Narrative: SHORTLY BEFORE DEP, PVD RECEIVED A MODERATE DOWNPOUR OF MIXED FREEZING RAIN, SLEET, AND SNOW. I OBSERVED MAINT DEICING THE ACFT PRIOR TO MY BOARDING. AS I BOARDED VIA AIRSTAIRS, I LOOKED OVER THE L WING FOR ANY EVIDENCE OF ICE, THEN CHKED THE R WING OUT THE FORWARD SVC DOOR AND THEN CHKED BOTH WINGS THROUGH THE WINDOWS AT MID CABIN. WINGS APPEARED CLR OF ANY ICE OR SNOW ALTHOUGH THEY WERE WET WITH DEICING FLUID. AFTER PAXS WERE BOARDED, MAINT AGAIN DROVE AROUND ACFT SPRAYING WITH DEICING FLUID. THE PRECIPITATION STOPPED JUST MOMENTS BEFORE TKOF. OUR TAXI TIME WAS ABOUT 5 MINS. AS TKOF PWR WAS APPLIED, WE GOT A MOMENTARY TKOF WARNING HORN. I CHKED THAT THE SPD BRAKE HANDLE WAS FULLY IN THE DOWN DETENT BY PRESSING DOWN ON THE HANDLE. THE WARNING HORN SILENCED AND DID NOT REOCCUR, AND TKOF ROLL WAS CONTINUED. WHEN THE ACFT WAS ROTATED, THE R WING DID NOT LIFT AT ALL, DESPITE APPROX 45-60 DEGS L AILERON INPUT. I HESITATED THE ROTATION, BUT THE R WING IMMEDIATELY FELL OFF. SUSPECTING POSSIBLE ICE CONTAMINATION OR A POSSIBLE CORRELATION TO THE EARLIER TKOF WARNING HORN I ABORTED THE TKOF AT 120 KTS. WE STOPPED THE ACFT WITH ABOUT 1500 FT OF RWY REMAINING, AND RETURNED TO THE GATE. MAINT CHKED ALL FLT CTLS, FLAPS, SLATS, LEADING EDGES, FLT AND GND SPOILERS AND THE FUEL LOAD. ALL ITEMS CHKED NORMAL. ICE CONTAMINATION COULD NOT BE CONFIRMED NOR ELIMINATED AFTER THE HIGH SPD ABORT AND THE FACT THE TEMP HAD RISEN AFTER THE PRECIPITATION HAD STOPPED. I CAN ONLY SPECULATE AS TO WHETHER ICE WAS THE CAUSE, OR 'IF' THE ACFT WOULD HAVE FLOWN HAD THE TKOF BEEN CONTINUED. A HIGH SPD ABORT DURING ROTATION IS NOT AN ENJOYABLE EVENT. WE WERE FORTUNATE TO HAVE BEEN LIGHTLY LOADED AND TO HAVE HAD A LONG RWY. ALWAYS EXPECT THE UNEXPECTED EVEN AFTER ALL PRECAUTIONS AND PROCS HAVE BEEN TAKEN, ESPECIALLY WITH ICE.

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.