What was found
EXFOLIATED CORROSION ON MULTIPLE AREAS OF AFT FUSELAGE MAIN CABIN LT BEAM PN 170-65669-003, BETWEEN FRAME 86 & 89 AT Y=-273, LD29, X=23453 - 24048, Y= 260. R & R AFT CABIN LT FLOORBEAM IAW SRM 51-41-01 & 51-43-01 ON WO 19451671F7 IAW EO E175-53MR-093 REV 3.