What was found
WHILE UNDERGOING A ANNUAL INSPECTION INVESTIGATION OF NOISE COMPLAINT FROM THE LANDING GEARBOX IT WAS DISCOVERED THAT THE FOUR AN3-6A BOLTS THAT ATTACH THE PART 5011013-3 (BRACKET ACUATOR MOUNTING) & GEARBOX TO THE FRONT SPAR WAS LOOSE. AN ATTEMPT AT TIGHTEN THEM REVEALED THAT THE NUT PLATES BUILT INSIDE THE SPAR WERE STRIPPED. ALLOWED THE GEARBOX TO MOVE BACK FROM THE SPAR BY 1/8" AND REAR BULKHEAD FLEXING THE 1/8". (FS152.75)