What was found
WHEN APPLYING LIGHT BRAKE PRESSURE, BRAKES WOULD GRAB EXTREMELY HARD. THIS OCCURRED ON BOTH THE CA & FO SIDE BRAKES. AT TIME OCCURRENCE, BRAKE TEMPERATURES WERE GREEN, HYDRAULIC FLUID LEVELS WERE NORMAL, HYDRAULIC PRESSURE WAS NORMAL-C/A-BLED BRAKES IAW AMM 32-40-00, FOUND SOME AIR IN NR 1 BRAKE. A/C TAXI CHECK REQUIRED. PERFORMED TAXI CHECK WITH CREW, REF. AMM 32-49-03, OPS CHECK GOOD NO DEFECTS NOTED