What was found
SLICK BY CHAMPION SB2-19A MANDATORY INSPECTION OF IMPULSE COUPLING. THE SB HAS YOU INSPECT THE IMPULSE COUPLING PER THE MAINTENANCE MANUAL. IF ANY MOVEMENT IS FOUND IN THE RIVETS, THE IMPULSE COUPLING MUST BE REJECTED. MAGNETO INSTALLED WITH TSN 952.3 AT AN AIRCRAFT TOTAL TIME 6884.0 AND ENGINE TSN/TSO 3259.9/897.7 INSPECTED MAGNETO MODEL NO. 6351 P/N: 66LC35SDNN S/N: 15070337 TSN: 1044.9 INSTALLED IN THE LH POSITION AND FOUND 1 RIVET OF THE TWO WITH MOVEMENT. THIS IMPULSE COUPLING FAILED THE INSPECTION AND IS NO LONGER SERVICEABLE.