As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PASSENGER COMPARTMENT FLOOR STRUCTURE,SHOW SIGNS OF UPPER SURFACE CORROSION IN SEVERAL AREAS OF FLOOR BEAM UPPER CHORD B.S. 986.5 BETWEEN LBL 4.0 AND RBL 44.0.(MKD 26-026) REF. AAR N/R: 90238502 GENERATED REPAIRED FLOOR BEAM UPPER CHORD B.S 986.5 BETWEEN LBL4 AND RBL 44.0 BY INSTALLING REAPIR IAW EC/RA#5321-01498. REF. AAR N/R:90538502 WORK ACCOMPLISHED