What was found
AFT FUSELAGE MAIN CABIN, LT LONGITUDINAL BEAM, PN 170-65669-003, HAS MULTIPLE AREAS OF CORROSION, BETWEEN FRAME 86 & 87, Y=260.4, ZONE 200, BL 260. R & R LT MAIN CABIN LONGITUDINAL BEAM IAW SRM 51-41-01 & 51-43-01 ON WO 19451292C4 IAW EO E175-53MR-093 REV 3 WO 1832171.