Narrative:

I was on a cross country flight from ZZZ to ZZZ1 to satisfy part of the requirements for a commercial certificate. The tower cleared me to land on runway 17 and I proceeded to turn onto a 3 mi final. I flew the approach keeping the airspeed between 65-68 KTS. I was established in a stabilized confign with flaps at 30 degrees on an extended centerline approach in VFR conditions. The winds were between 150-160 degrees around 13-15 KTS. I had the airplane set up to touch down between the numbers and the thousand ft blocks. I held a very minimum amount of left rudder to remain on the established approach. Once I flared for landing; the airplane touched down as the stall warning horn began to sound. Just after touchdown; the airplane veered to the left; caused by what I believe to have been a gust of wind from the right. The left main then came off the ground. I added left aileron and got the gear down. At this point; I was over the left runway edge marking and began to add braking and light right rudder to try and maneuver the plane back to the middle of the runway. The airplane then straightened out headed down the side of the runway when the left main gear struck a taxiway sign. The airplane then started turning left into the grass and the left main gear began to collapse. As this was happening; I reached over and pulled the mixture off and shut down the engine. The airplane came to rest in the grass left of runway 17; approximately 3500 ft from the approach end.

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Original NASA ASRS Text

Title: AFTER A STABILIZED APCH IN A SLIGHT CROSSWIND A C172 WAS PUSHED TO THE LT RWY EDGE BY A GUST STRIKING A RWY LIGHT; COLLAPSING A GEAR AND DEPARTING THE RWY.

Narrative: I WAS ON A XCOUNTRY FLT FROM ZZZ TO ZZZ1 TO SATISFY PART OF THE REQUIREMENTS FOR A COMMERCIAL CERTIFICATE. THE TWR CLRED ME TO LAND ON RWY 17 AND I PROCEEDED TO TURN ONTO A 3 MI FINAL. I FLEW THE APCH KEEPING THE AIRSPD BTWN 65-68 KTS. I WAS ESTABLISHED IN A STABILIZED CONFIGN WITH FLAPS AT 30 DEGS ON AN EXTENDED CTRLINE APCH IN VFR CONDITIONS. THE WINDS WERE BTWN 150-160 DEGS AROUND 13-15 KTS. I HAD THE AIRPLANE SET UP TO TOUCH DOWN BTWN THE NUMBERS AND THE THOUSAND FT BLOCKS. I HELD A VERY MINIMUM AMOUNT OF L RUDDER TO REMAIN ON THE ESTABLISHED APCH. ONCE I FLARED FOR LNDG; THE AIRPLANE TOUCHED DOWN AS THE STALL WARNING HORN BEGAN TO SOUND. JUST AFTER TOUCHDOWN; THE AIRPLANE VEERED TO THE L; CAUSED BY WHAT I BELIEVE TO HAVE BEEN A GUST OF WIND FROM THE R. THE L MAIN THEN CAME OFF THE GND. I ADDED L AILERON AND GOT THE GEAR DOWN. AT THIS POINT; I WAS OVER THE L RWY EDGE MARKING AND BEGAN TO ADD BRAKING AND LIGHT R RUDDER TO TRY AND MANEUVER THE PLANE BACK TO THE MIDDLE OF THE RWY. THE AIRPLANE THEN STRAIGHTENED OUT HEADED DOWN THE SIDE OF THE RWY WHEN THE L MAIN GEAR STRUCK A TXWY SIGN. THE AIRPLANE THEN STARTED TURNING L INTO THE GRASS AND THE L MAIN GEAR BEGAN TO COLLAPSE. AS THIS WAS HAPPENING; I REACHED OVER AND PULLED THE MIXTURE OFF AND SHUT DOWN THE ENG. THE AIRPLANE CAME TO REST IN THE GRASS L OF RWY 17; APPROX 3500 FT FROM THE APCH END.

Data retrieved from NASA's ASRS site as of May 2009 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.