What was found
ON APPROACH NR 1 HYDRAULIC SYSTEM QTY WAS AT 1.5 QTS, AFTER LANDING COCKPIT GAUGE SHOWED 1.3 QTS. LOSS OF NORMAL BRAKES AND ISO LIGHT ILLUMINATED ON TAXI. NR 1 GAUGE ON NACELLE READS .5 QTS, SERVICED NR 1 HYDRAULIC SYSTEM, RAN AIRCRAFT TWICE AND CYCLED TOE BRAKES, OPS NORMAL AT THIS TIME. NO LEAKS NOTED, ISO LIGHT IS OUT. NOTE: NR 2 SYSTEM FOUND OVERSERVICED FROM FLUID TRANSFER, CORRECTED TO PROPER LEVEL. LEAK CHECK OF COMPLETE NR 1 HYDRAULIC SYSTEM, NO LEAKS FOUND.