What was found
WHILE ON THE LINE IN ATL MTC WAS SEARCHING FOR THE SOURCE OF A FUEL SMELL IN THE AIRCRAFT CABIN AND FOUND CORROSION WHICH HAD CREATED A HOLE IN THE LT SIDE OF THE CENTER WING BOX AFT UPPER SKIN BETWEEN STA 87 AND STA994. THE MAIN AREA OF CORROSION AS A RESULT OF THE LAV LINE LEAK IS BEING REPAIRED PER ERA 574104-14. THE MAIN AREA OF CORROSION CREATED A PUDDLE WHICH MIGRATED AFT TOWARDS THE SLANT ANGLE 955831-501. THIS ERA PROVIDES REPAIR INSTRUCTIONS FOR REPAIR OF THE AFT SLANT ANGLE AND THE AFT CENTER WING UPPER SKIN 5930502-149. (LP# 0886482)