What was found
FLIGHT:9287 FLL/GGT AFTER TAKEOFF IDLE 1 UNLOCK LIGHT AND CABIN ALTITUDE LIGHT ILLUMINATED. RETURNED TO FLL. AFTER LANDING SLOWING THROUGH 80 KTS ON LANDING ROLL OUT BRAKES FAILED WITH ANTI-SKID ON. TURNED THE ANTI-SKID OFF AND REGAINED NORMAL BRAKING. INSPECTED PROXIMITY SWITCHES, CLEANED STRUTS, CHECKED STRUT FLUID, SERVICED STRUTS WITH NITROGEN. PERFORMED TAXI CHECKS. SYSTEM OPERATES NORMAL.