Narrative:

We were on a stabilized ILS approach to runway 31C at mdw. There had been a rain shower on final around runts intersection and there were rain and thunderstorms in the vicinity. We were VMC at around runts with the runway in sight. The approach was normal until 100-200 ft AGL at which time turbulence increased some and normal corrections were applied. Near the flare, wind gusts appeared to require more roll corrections. The right wing dropped, the right main wheels touched the runway, and a go around was initiated. Our jumpseater, a B737 captain, said our corrections were appropriate for the situation without over-controling. The go around was normal, and we turned to the northeast for WX and ord avoidance and climbed to the missed approach altitude during the missed approach. Communications to verify heading and altitude clrncs were blocked. The published missed approach was unusable due to WX. We then received vectors and held at cgt. We received a report that we may have had aft fuselage contact during the go around and ran the appropriate checklists. During the hold time a strong shower passed over mdw. After 20-30 mins, we flew another ILS approach to a landing. This was normal except the left thrust reverser never fully deployed. Postflt examination showed no evidence of ground contact with any part of the aircraft. Witnesses on the ground stated they observed strong gusts that caused baggage carts to move during our go around. There were no windshear advisories or warnings from the tower or onboard windshear advisory system.

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Original NASA ASRS Text

Title: FLT CREW OF B757 ENCOUNTER APPARENT WINDSHEAR AT FLARE TO RWY 31C AT MDW. INADVERTENT AND UNCTLED MAIN GEAR TOUCHDOWN RESULTS IN REJECTED LNDG AND GAR INTO WX AND HIGH DENSITY TFC AREA.

Narrative: WE WERE ON A STABILIZED ILS APCH TO RWY 31C AT MDW. THERE HAD BEEN A RAIN SHOWER ON FINAL AROUND RUNTS INTXN AND THERE WERE RAIN AND TSTMS IN THE VICINITY. WE WERE VMC AT AROUND RUNTS WITH THE RWY IN SIGHT. THE APCH WAS NORMAL UNTIL 100-200 FT AGL AT WHICH TIME TURB INCREASED SOME AND NORMAL CORRECTIONS WERE APPLIED. NEAR THE FLARE, WIND GUSTS APPEARED TO REQUIRE MORE ROLL CORRECTIONS. THE R WING DROPPED, THE R MAIN WHEELS TOUCHED THE RWY, AND A GAR WAS INITIATED. OUR JUMPSEATER, A B737 CAPT, SAID OUR CORRECTIONS WERE APPROPRIATE FOR THE SIT WITHOUT OVER-CTLING. THE GAR WAS NORMAL, AND WE TURNED TO THE NE FOR WX AND ORD AVOIDANCE AND CLBED TO THE MISSED APCH ALT DURING THE MISSED APCH. COMS TO VERIFY HDG AND ALT CLRNCS WERE BLOCKED. THE PUBLISHED MISSED APCH WAS UNUSABLE DUE TO WX. WE THEN RECEIVED VECTORS AND HELD AT CGT. WE RECEIVED A RPT THAT WE MAY HAVE HAD AFT FUSELAGE CONTACT DURING THE GAR AND RAN THE APPROPRIATE CHKLISTS. DURING THE HOLD TIME A STRONG SHOWER PASSED OVER MDW. AFTER 20-30 MINS, WE FLEW ANOTHER ILS APCH TO A LNDG. THIS WAS NORMAL EXCEPT THE L THRUST REVERSER NEVER FULLY DEPLOYED. POSTFLT EXAMINATION SHOWED NO EVIDENCE OF GND CONTACT WITH ANY PART OF THE ACFT. WITNESSES ON THE GND STATED THEY OBSERVED STRONG GUSTS THAT CAUSED BAGGAGE CARTS TO MOVE DURING OUR GAR. THERE WERE NO WINDSHEAR ADVISORIES OR WARNINGS FROM THE TWR OR ONBOARD WINDSHEAR ADVISORY SYS.

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.