What was found
DURING A 15 DAY CORROSION INSP, MECH NOTICED "PAINT BUBBLEING" ON MIDDLE RUDDER HINGE BRACKET. UPON INVESTIGATION, CORROSION FOUND. ATTEMPT WAS MADE TO CLEAN & TREAT AREA, BUT FOUND THAT MORE METAL WAS BEING REMOVED IN THE PROCESS. FLAKING, CORROSION WAS TOO DEEP INTO METAL OF THE HINGE BRACKET. A NEW HINGE BRACKET WAS ORDERED AND THE AFFECTED PART WAS REPLACED. AS A NOTE, THE AIRCRAFT ARE KEPT OUTSIDE FOR THE MAJORITY OF THE TIME, THIS IS THE REASON FOR THE 15 DAY CORROSION INSPECTION CYCLE. AIRCRAFT RE-PAINTED 2 YEARS AGO. FOUND IT DIFFICULT TO SPOT "BUBBLED PAINT" AREAS, WHEN AREAS ARE SPOTTED, SCRAPE-OFF SOME OF PAINT & RESULT IS SAME, CORROSION & FLAKING. RESULT IS REPLACEMENT OF AFFECTED PART.