As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"AWR HIDDEN DAMAGE: AFTER REMOVE INSULATION ON MAIN AVIONICS COMPARTMENT, CORROSION ON ANGLES AT STGR 20R BTW FS310/364 WAS FOUND IN REF EO: R25120 (SM)[E/E]. ""2 ANGLES WERE FABRICATED PER EA CRJ953-10066 REV IR AND EA CRJ953-10069 REV IR. 6 ANGLES WERE REPLACED PER CRJ-900 SRM 51-42-20-001-001-A01 PAR 6 "