What was found
DURING TAXIOUT FOR TAKEOFF, LEFT BRAKE GRABBED DURING TURN, CAUSING FLIGHT ATTENDANT TO STUMBLE. STOPPED A/C TO CHECK ON F/A CONDITION. UPON CONTINUING TAXI WITH TIGHT LEFT TURN ONTO PARALLEL TAXIWAY, NOSE GEAR SLID AT EDGE OF CONCRETE ONTO ASPHALT APRON. A/C STOPPED AND REQUESTED TOW IN. INSPECTED BRAKES, LT SIDE DRAGS, REPLACED BOTH NR 1 & 2 BRAKES PER AMM. INSPECTED NOSE GEAR VISUALLY AND OPERATION CHECKS GOOD.