What was found
(CAN) AIRCRAFT EXPERIENCED AN ENGINE CHIP LIGHT ILLUMINATION. DURING INSPECTION, FOUND CHIPS ON BOTH ENGINE CHIP PLUGS, CONDUCTED THE CLEANING/FLUSHING STEPS IAW THE OPS & MM, AND DURING THE SUBSEQUENT 30-MINUTE GROUND RUN, THE ENGINE CHIP LIGHT ILLUMINATED AGAIN. ENGINE WAS SHUTDOWN, AND INSPECTION OF THE CHIP PLUGS FOUND SIGNIFICANT QUANTITIES OF METAL PARTICLES.