As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RT STRINGERS RBL 2.90, 7.55 AND 10.45 FROM STA 1500 TO 1520 AT AFT CARGO COMPARTMENT CP53-153-01I (C2). CORROSION LEVEL 2. CORROSION ON STGR RBL 2.90 WAS REPAIRED PER SRM 53-00-53 REPAIR 1 FIG 201. CORROSION ON STGR RBL 7.55 AND 10.45 WAS FOUND AT PREVIOUS REPAIR CHANNELS AND BOTH WERE REPLACED.