What was found
MAIN CABIN FLOOR BEAM CORRODED -Y160 FR68, GROUNDED - YES. FLOOR BEAM AT Y-160 FR 68 CORRODED BEYOND ALLOWABLE LIMITS, DEPTH OF CORROSION .032" MAX. ALLOWABLE .016" REF A320 SRM 53-00-14. MANUFACTURED NEW "L" BEAM P/N D5347222320000 ON ASA CARD G1587787, REMOVED AND REPLACED "L" BEAM AT Y-160 FROM FR67-FR70 P/N 5347222320000 REF AIRBUS DWG D53472003 REV J AND A320 SRM 51-42-11.