As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON DOUBLER FS1000-1015 STGR 26R-25R AT AFT CARGO COMPARTMENT CORRECTIVE ACTION: EVALUATED, DUE TO EXCESIVE CORROSION ON DOUBLER, STIFFENER (2EAS), BRACKET AND STRINGER CLIP (4EAS) ON FS1000-1015 STGR 26R-25R AT AFT CARGO COMPARTMENT PER CRJ900 SRM 53-21-03-101-006-A04 AND REPAIRED PER ETI-900-25-001 REV 1.