As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OP 15 MAINT CHECK IN THE FWD CABIN, THE FLOOR MEMBRANE HAD CORRODED AND WORN AT STA 160 TO 200, LBL 44 INCHES. REMOVED MEMBRANE AND FABRICATED NEW PART PER DRAWING AA9910078 AND SRM 51-30-3. INSTALLED PER SRM 51-30-0 AND 51-10-4 OF SRM.