What was found
EXCESSIVE BRAKE FORCE REQUIRED TO SET DESIRED BRAKE ACTION. ALL BRAKE AND HYDRAULIC INDIC. NORMAL. QTY/PRESSURE NORMAL, PARKING BRAKE NORMAL, NO EICAS MESSAGES, JUST 50%+EXTRA FORCE NEEDED ON BOTH CA AND FO REDALS. REMOVED FROM SERVICE. INTERROGATED CMC, NO FAULTS FOUND. PERFORMED GVI OF BRAKE ASSY PER AMM 32-49-11-210-801-A. NO DEFECTS NOTED. ACTUATED BRAKES WHILE TAXIING A/C, BRAKES OPERATED AND FELT NORMAL. NO FURTHER DEFECTS NOTED. PERFORMED OPS TEST OF MAIN BRAKE SYSTEM PER AMM 32-41-00-710-801-A, OPS CHECKED GOOD. RETURNED TO SERVICE.