What was found
(CAN) SUBJECT HELICOPTER, ROUTINE ANNUAL INSPECTION, WHEN TECHS CHECKED THE ENGINE CHIP PLUGS IAW ASB 407-13-99 AND CEB A-72-6075 AND FOUND SIGNIFICANT AMOUNTS OF METAL FLAKES ON BOTH PLUGS. AT LEAST 1 OF THE CHIPS EXCEEDS THE R & R OPS & MM 72-00-00, PAGE 339, LIMIT OF 0.79 MM. THE ENGINE CHIP LIGHT HAD NOT ILLUMINATED. THE ENGINE WILL BE REMOVED.