What was found
PDIS ON APPROACH INTO LAX, GEAR HANDLE CAME DOWN BUT NO GREEN LIGHTS, THEY REMAINED RED. GEAR HANDLE WAS IN DETENT. COULD HEAR THE ADDITIONAL AIRFLOW OVER THE GEAR DOORS OR GEAR. ON GO AROUND, CYCLED THE GEAR AND THEY CAME DOWN NORMALLY. HAD NO HYDRAULIC MALFUNCTIONS MADE A NORMAL LANDING. COULD NOT DUPLICATE PROBLEM. PSEU LOGGED NO FAULTS. SENSORS ALL NORMAL. INSPECTED ALL GEAR WELLS, CABLES, SENSORS, TARGETS AND HYDRO UNITS. FOUND NO DISCREPANCIES. PINNED ALL GEAR AND CYCLED HANDLE. DOORS WORK AND POSITIVE HYDRO PRESSURE GOOD TO EACH DOWN ACTUATOR. REMOVED PINS AND RETURNED TO NORMAL. INDICATION NORMAL. OK FOR FLIGHT PER MM.