What was found
ENGINE INTERMITTENTLY RUNNING ROUGH. MAGNETOS BOTH HAD 1,786 HOURS SINCE INSTALLATION. SABOTAGE PAINT APPLIED BY MANUFACTURER WAS NOT DISTURBED INDICATING NO 500-HOUR INSPECTIONS HAD BEEN PERFORMED. INSPECTION SHOWED TRACES OF 'CROSS-FIRING' IN DISTRIBUTOR AREAS OF BOTH MAGNETOS. SUBMITTER RECOMMENDS INSPECTIONS WHEN DUE WILL FIND SMALL PROBLEMS PREVENTING PREMATURE REPLACEMENT.