As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"INITIAL INSPECTION: (DUE WET INSULATIONS) MAIN AVIONICS COMPARTMENT, CORROSION ON STGR 26L FROM FS295/FS349 (SM)[E/E]. "SUMMARY: OF NRC. 00221 CORROSION LEVEL 2. STRINGERS 26 LH FS=280 TO FS=364 WERE REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 PAR 6 C "