What was found
DURING 500-HOUR INSPECTION, (PULLED AT 452.2 HOURS TSO), BOTH COILS IN TCM 2000 SERIES MAGNETO WERE FOUND CRACKED. COILS HAD THE FOLLOWING MARKINGS: 38/95 AND 8-9, 35/75 AND 10-10. MAGNETO WAS OVERHAULED BY ELECTROSYSTEMS, INC., FOR LYCOMING. ENGINE OVERHAULED ON 8-15-96. SUSPECT CAUSE IS MANUFACTURING DEFECT OR DESIGN FLOW.