As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH A PERMANENT REPAIR OF CORROSION DAMAGE TO THE CENTER FUSELAGE III FLOOR STRUCTURE RH INBOARD SEAT TRACK P/N 170-86082-003 BY SPLICE REPAIR PER ETD2019-170-067021 AND SRM PART II 53-00-10/REPAIR 01P. SPLICE LOCATION IS BETWEEN FRAMES 80 AND 81, AFT OF FRAME 80 AT X=21, 420MM. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR BECAUSE THE SEAT TRACK IS A PSE AND THIS EO IS RESTORING STRENGTH.