As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: FILIFORM CORROSION ON FLOOR BEAM AROUND FASTENER HOLE AT STATION 986 FROM RBL 27 TO RBL 49. MAINTENANCE INSTALLED REPAIR AT STATION 986 FROM RBL 27 TO RBL 49 PER SRM 53-70-51-2R-6, ALT 4 AND EA 378897 DRAFT 4.