What was found
DURING THE CURRENT LIGHT C CHECK AAL MAINTENANCE FOUND A SLIGHT BULGE TO THE FUSELAGE SKIN AT THE LAP JOINT COMMON TO STR 37L JUST FORWARD OF STA 434. THE LAP JOINT IN THIS AREA WAS OPENED AND SEPARATED TO GAIN ACCESS TO REMOVE THE CORROSION. CORROSION WAS SUBSEQUENTLY FOUND TO BE LIMITED TO THE UNDERLYING SKIN 141T3231-3 OUTER FACING SURFACE. AFTER REWORK THE DAMAGE WAS FOUND TO EXCEED LIMITS 10 PERCENT AND WAS SUBSEQUENTLY TRIMMED OUT MEASURING 7.4€?X2.8€? AND FITTED WITH AN EXTERNAL LAP JOINT DOUBLER. EA B767-53-008735.