What was found
(CAN) RT ENGINE, LT MAGNETO-ENGINE HOURS: 1230.5 SN. L-8588-48. DAMAGE WAS DISCOVERED DURING 100 HOUR INSPECTION. REMOVAL OF ONE LT MAGNETO WAS REQUIRED TO COMPLETE A MAGNETO INSPECTION. WHEN MAGNETO WAS REMOVED MAGNETO GEAR RETAINER ASSY AND BEARING PULLED OUT OF THE ENG TOGETHER WITH DRIVE COUPLING YET AGAIN . UPON FURTHER INSP NO DAMAGE TO GEAR RETAINER ASSY AND BEARING WAS FOUND AND ASSY WAS REPLACED WITH NEW AND REINSTALLED. ALSO BEARING RECESS WAS INSP AND MEASURED TO BE WITH-IN LIMITS AND CHECKED OK.