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 FOUND ON FLOOR PANEL LOCATED AT FR64 TO FR66. LENGTH = 1.200 INCHES WIDTH = 0.500 INCHES DEPTH = 0.065 INCHES. REPLACED FLOOR BEAM -Y1292 BETWEEN FR64 TO FR66 AT AFT GALLEY AREA PER SRM 51-72-11-911-001.