What was found
DURING HIGH SPEED TAXI BOTH INBOARD BRAKES RISE TO AMBER RANGE AND OUTBOARD BRAKES REMAIN IN GREEN, AFTER APPROX 10 MIN COOLING NR 3 BRAKE REMAINS IN AMBER RANGE AND REMAINING BRAKES RETURN TO GREEN RANGE. REMOVED AND REPLACED NR 3 BRAKE ASSY IAW W/C 32-600-1. REMOVED AND REPLACED NR 4 BRAKE ASSY IAW W/C 32-600-14. REMOVED AND REPLACED NR 4 MLG BRAKE HYD FUSE IAW AMM 32-41-07 OPS AND LEAK CHECKS GOOD. PERFORMED HIGH SPEED TAXI. NO NR 3 BRAKE TEMP INDICATION SHOWED NORMAL INDICATION. ALL OTHER BRAKE INDICATIONS NORMAL . OPS CHECK GOOD. LT MAIN BRAKE ASSY NR 4 P/N 2-1707-2 S/N 1757; HYDRAULIC FUSE P/N 38-791500 S/N 3929.