What was found
RT MAIN GEAR DOOR AMBER LIGHT AND GEAR LIGHT IN HANDLE REMAINED ILLUMINATED FOR 20-30 SECONDS AFTER OTHER LIGHTS EXTINGUISHED. REPLACED MLG SELECTOR VALVE FILTER FITTINGS W/ NEW IAW AMM 29-21-06-000-802/-400-802. OPS TEST OF ALTERNATE EXTENSION SYS GOOD IAW AMM 32-34-00-710-802. LEAK CHECK GOOD. OPS TEST OF PRIMARY EXTENTION AND RETRACTION SYS GOOD, IAW AMM 32-31-00-710-801. NOTED NO DELAY FOR EXTINGUISHING OF NR 2 MAIN GEAR DOOR AMBER LIGHT, OR GEAR HANDLE LIGHT. NO FURTHER DEFECTS NOTED. RETURNED TO SERVICE.