What was found
ON INVESTIGATING A HYDRAULIC LEAK IN THE NR 1 GEAR WELL AREA, CRACKS WERE NOTED IN THE CHANNELS P/N 101-120025-57 AND P/N 101-120025-55 AS WELL AS THE ANGLE'S P/N 101-120025-67 AND 101-120025-68. THE A/C HAD A HYDRAULIC GEAR INSTALLED IN 1988 (REPLACING THE MECHANICAL GEAR ACTUATORS), AND AT THAT TIME HAD 2403.9 HOURS ON THE AIRFRAME. THE NR 2 GEAR WELL WAS INSPECTED FOR SIMILAR DAMAGE AND NONE WAS NOTED. THE AFFECTED PARTS WERE REPLACED GEAR SWINGS ACCOMPLISHED AND THE A/C RETURNED TO SERVICE.