What was found
DURING SVC CHECK FOUND CORROSION AROUND LAV EXHAUST VENT RT SIDE OF AFT FUSELAGE. COMPARED WITH PRI 545291-14, REV 1 ALL STEPS C/W. C/W ERA 545291-14, REV ORIGINAL ALL REQUIRED INSPECTION ITEMS HAVE BEEN C/W. ASSOCIATED ER/A 14-545291, ADDED FOR AC 3223.