What was found
FORWARD MAIN CABIN, FRAME 17, CROSSBEAM 170-21769-405, Y= 4, Z= -19.29 HAS CORROSION. REPAIRED IAW EO E175-53 MR-203 REV IR. THIS EO IS ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH PERMANENT REPAIR OF CORROSION DAMAGE IAW ETD 2015-170-071373. BECAUSE THIS IS PSE & FCS, THIS HAS BEEN CLASSIFIED AS A MAJOR REPAIR.