Narrative:

Landing cvg runway 36 braking action fair. Tower instructed first available turnoff. Aircraft totally under control, almost stopped, attempted turn on reverse high speed (taxiway H). Temperature had been dropping rapidly, taxiway had become very slippery with downslope and had not been sanded. Turned through about 90 degrees of 135 degree turn required to align with taxiway when nosewheel started to skid and ended up about 5' off taxiway and bogged down in mud. Tail of aircraft was still protruding on runway so notified tower of predicament and not having cleared runway. I feel contributing factors were very slippery txwys caused by rapidly dropping temperature after rain and wet snow conditions. Txwys not sanded. Aircraft in position after our landing and aircraft on final which caused tower to encourage first available turnoff. Propensity for medium large transport nose wheel to skid in turns when lightly loaded on wet or icy surface. Captain desire to accommodate tower not to the extent that turn was made at too high taxi speed (speed was totally under control) but that turnoff was attempted at reverse high speed as opposed to 90 degree turnoff. Supplemental information from acn 100911: braking reported fair, landed 27L, T/D normal, could have exited runway at taxiway left, but antiskid was cycling at that point, so I elected to use all of the runway. At the west end, while taxiing at a slow speed, I lost nosewheel steering and brakes. I reversed #3 engine and managed to turn aircraft about 45 degrees to right, but the nosewheel went off of the taxiway and sank into the mud. The aircraft was pulled back onto taxiway with tug and towbar, and I taxied back to gate. The departure end of 27L had not been plowed, nor sanded. Even a modest amount of sand would have prevented this. Supplemental information from acn 101401: runway had snow and ice on it. We were too fast for normal turnoff so captain rolled out to end. Upon attempting to slow down a little at the end prior to turning on taxiway we started sliding off runway. We were only going about 15 mph prior to skid but end of runway had not been used and was pure ice with nil braking. Supplemental information from acn 101481: as we approached lima the antiskid cycled despite the sand and the captain elected to take it to the end.

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Original NASA ASRS Text

Title: ICY RWYS AND TXWYS. ACR-MLG SLIDES OFF TXWY BLOCKING PRIMARY RWY, THEN ACR-LGT LNDG ON SECOND RWY ALSO SLIDES OFF TXWY BLOCKING THAT RWY.

Narrative: LNDG CVG RWY 36 BRAKING ACTION FAIR. TWR INSTRUCTED FIRST AVAILABLE TURNOFF. ACFT TOTALLY UNDER CONTROL, ALMOST STOPPED, ATTEMPTED TURN ON REVERSE HIGH SPD (TXWY H). TEMP HAD BEEN DROPPING RAPIDLY, TXWY HAD BECOME VERY SLIPPERY WITH DOWNSLOPE AND HAD NOT BEEN SANDED. TURNED THROUGH ABOUT 90 DEGS OF 135 DEG TURN REQUIRED TO ALIGN WITH TXWY WHEN NOSEWHEEL STARTED TO SKID AND ENDED UP ABOUT 5' OFF TXWY AND BOGGED DOWN IN MUD. TAIL OF ACFT WAS STILL PROTRUDING ON RWY SO NOTIFIED TWR OF PREDICAMENT AND NOT HAVING CLRED RWY. I FEEL CONTRIBUTING FACTORS WERE VERY SLIPPERY TXWYS CAUSED BY RAPIDLY DROPPING TEMP AFTER RAIN AND WET SNOW CONDITIONS. TXWYS NOT SANDED. ACFT IN POS AFTER OUR LNDG AND ACFT ON FINAL WHICH CAUSED TWR TO ENCOURAGE FIRST AVAILABLE TURNOFF. PROPENSITY FOR MLG NOSE WHEEL TO SKID IN TURNS WHEN LIGHTLY LOADED ON WET OR ICY SURFACE. CAPT DESIRE TO ACCOMMODATE TWR NOT TO THE EXTENT THAT TURN WAS MADE AT TOO HIGH TAXI SPD (SPD WAS TOTALLY UNDER CTL) BUT THAT TURNOFF WAS ATTEMPTED AT REVERSE HIGH SPD AS OPPOSED TO 90 DEG TURNOFF. SUPPLEMENTAL INFO FROM ACN 100911: BRAKING RPTED FAIR, LANDED 27L, T/D NORMAL, COULD HAVE EXITED RWY AT TXWY L, BUT ANTISKID WAS CYCLING AT THAT POINT, SO I ELECTED TO USE ALL OF THE RWY. AT THE W END, WHILE TAXIING AT A SLOW SPD, I LOST NOSEWHEEL STEERING AND BRAKES. I REVERSED #3 ENG AND MANAGED TO TURN ACFT ABOUT 45 DEGS TO RIGHT, BUT THE NOSEWHEEL WENT OFF OF THE TXWY AND SANK INTO THE MUD. THE ACFT WAS PULLED BACK ONTO TXWY WITH TUG AND TOWBAR, AND I TAXIED BACK TO GATE. THE DEP END OF 27L HAD NOT BEEN PLOWED, NOR SANDED. EVEN A MODEST AMOUNT OF SAND WOULD HAVE PREVENTED THIS. SUPPLEMENTAL INFO FROM ACN 101401: RWY HAD SNOW AND ICE ON IT. WE WERE TOO FAST FOR NORMAL TURNOFF SO CAPT ROLLED OUT TO END. UPON ATTEMPTING TO SLOW DOWN A LITTLE AT THE END PRIOR TO TURNING ON TXWY WE STARTED SLIDING OFF RWY. WE WERE ONLY GOING ABOUT 15 MPH PRIOR TO SKID BUT END OF RWY HAD NOT BEEN USED AND WAS PURE ICE WITH NIL BRAKING. SUPPLEMENTAL INFO FROM ACN 101481: AS WE APCHED LIMA THE ANTISKID CYCLED DESPITE THE SAND AND THE CAPT ELECTED TO TAKE IT TO THE END.

Data retrieved from NASA's ASRS site as of August 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.