What was found
FORWARD MAIN CABIN FRAME 14, CROSSBEAM PN 170-21766-409, BETWEEN Y=13 - Y=36 HAS CORROSION. REPAIRED IAW EO-E175-53 MR-202 REV 1 WO 1941725. THIS EO IS ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH PERMANENT REPAIR OF CORROSION DAMAGE TO THE CROSSBEAM UPPER FLANGE, IAW ETD 2015-170-071303A. BECAUSE THIS IS PSE & FCS, ACCOMPLISHMENT HAS BEEN CLASSIFIED A MAJOR REPAIR.