What was found
MAIN CABIN AFT WET AREA, LONGITUDINAL BEAM UPPER SURFACE CORRODED AROUND MOUNTING HOLES BETWEEN FR68 AND FR70 APPROX. Y254. MARKED GROUNDED - YES. REMOVED AND REPLACED LONGITUDINAL BEAM LOCATED IN MAIN CABIN, AFT WET AREA BETWEEN FR68 AND FR70, APPPROX. Y254 PER AIRBUS D53472040 AND A320 SRM 51-41-11.