What was found
MGB CHIP LIGHT ILLUMINATED AFTER DEPARTURE FROM BASE WITH PAT ON BOARD. MAINTENANCE FOUND FOUR SMALL METALLIC PARTICALS (.2MM OR LESS IN SIZE), DETERMINED TO BE CATEGORY F (SWARF) MATERIAL, NOTE TSO IS 15 HOURS AT TIME OF EVENT. PARTICALS WERE RECOVERED AND SENT TO LAB FOR ANALYSIS. CORRECTIVE ACTION INCLUDED CLEANING THE CHIP DETECTOR, DRAINING, AND FILTERING THROUGH A FINE MESH SCREEN, THE MGB OIL, REPLACING THE MGB FILTER, REFILLING THE GEARBOX, AND COMPLETING A 10 MINUTE HOVER CHECK, WITH SATISFACTORY RESULTS.