As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN FLOOR STRUCTURE,T-CAP LT AND RT CORRODED AROUND FASTENER HOLES AT STA 986. PERFORMED FULL T-CAP REPAIR IN THE AFT CABIN FLOOR STRUCTURE L/H & R/H SIDE AT STA 986, RESTORED PROTECTIC COATINGS IAW SRM 53-70-51-2R-4. (LOG 1637982 - AIRCRAFT WAS GROUNDED).