As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2557854) DURING INSPECTION FOUND CORROSION REMOVE (UT) MEASUREMENT THICKNESS WAS ACCOMPLISHED ON RAIL RBL 13.84 OF STA 500K +17 INCH TO STA 500L FLOOR STRUCTURE AT FWD CARGO COMPARTMENT. RAIL RBL 13.84 OF STA 500K +17INCH TO STA 500L FLOOR STRUCTURE AT FWD CARGO COMPARTMENT. WAS REPAIRED PER B737-900ER SRM 53-00-53-2R PROCEDURE 3 REPAIR 3.