What was found
1 SEC PRIOR TO ROTATION, AIRCRAFT EXPERIENCED A SUDDEN JOLT WITH NOSE TIRES STILL IN CONTACT WITH RUNWAY. GEAR RETRACTED NORMALLY. CREW REPORTED AIRCRAFT JOLTED TO LEFT IMMEDIATELY BEFORE ROTATION. INSPECTED MAIN GEAR AND NOSE GEAR WHEELS AND TIRES, BRAKES, AND GEAR LEGS. NO DEFECTS NOTED ON ANY LANDING GEAR. DEPARTURE AIRPORT REPORTED NO DEBRIS ON RUNWAY AFTER TAKEOFF, AND CREW REPORTED NO ABNORMAL INDICATIONS. AIRCRAFT OK FOR SERVICE AT THIS TIME. INSPECTIONS COMPLETED REF AMM 32-11-00 AND 32-21-00.