As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE. CORROSION OF FLOORBEAM (TRACK) STRUCTURE BETWEEN FR 33 TO FR 37 AT LEFT BUTTLINE +Y1456. REPLACED FLOORBEAM (TRACK) STRUCTURE BETWEEN FR 33 TO FR 37 AT LEFT BUTTLINE +Y1456 PER SRM 51-72-11 AND DRAWING F53275849.