What was found
AFT LAVATORY SERVICE PANEL HAS BULGING CORROSION AT THE LOWER FWD CORNER. CUTOUT SKIN AND INTERNAL DOUBLER TO REMOVE AREAS OF CORROSION. REPAIRED IAW PRI 529587-14, REV 0, 1, AND 2. ALL STEPS ACCOMPLISHED. COMPLIED WITH ER/A 529587-14, REV ORIG.