What was found
AIRCRAFT WAS GROUNDED: AFTER LANDING ON TAXI SLOWING IN TURN AT 23 KNOTS AND SLOWER SAME BRAKE INDUCED SINE WAVE PULSE AND AIRCRAFT NOSE BOUNCE TOOK PLACE, DECREASE BRAKING AND INTENSITY DECREASES BOUNCE / GALLOP IS SIGNIFICANT, ENOUGH TO BOUNCE FLIGHT CREW AGAINST THE SEAT BELTS IN THE FLIGHT DECK. THE LANDING WAS VERY LIGHT WEIGHT AT ABOUT 136 K LBS. LEFT BRAKE TEMP WAS THE HIGHER OF ALL. CURRENTLY 1 / 240, 2/ 205 , 3/ 185, 4/220. MAINTENANCE REPLACED LEFT MAIN LANDING GEAR #1 BRAKE ASSEMBLY (AALA202301255636) PER AMM 32-42-27 AND REPLACED THE #1 MAIN LANDING GEAR WHEEL / TIRE ASSEMBLY (AALA202301251388) PER AMM 32-41-11. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.