What was found
AFTER RAISING GEAR AFTER TAKE OFF, LEVEL 1 BRAKE DIFF TEMP FOLLOWED BY LEVEL 2 BRAKE OVERHEAT. NR 4 WHEEL 935 DEGREE SLOWED TO 240 KNOTS. LOWERED LG NR 4 WHEEL TEMP SHOWED X AFTER 1 MINUTE SHOWED 9 DEGREE. SLOWED TO 220 KNOTS. RAIZED GEAR. HAD UNSAFE INDICATION ON RT MAIN GEAR. LOWERED GEAR RETURNED TO DEPARTURE. R & R RT MLG UP AND LATCHED PROXIMITY SENSOR IAW AMM 32-61-15-4. OPS CHECKED NORMAL, PERFORMED GEAR SWING REF AMM 32-60-00-5. OPS AND ALL COCKPIT INDICATIONS NORMAL AT THIS TIME. ACFT OK TO CONTINUE.