As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERCOSTAL AT STGR 27(LH) AFT OF AVIONICS BAY DOOR AT FS 364.00 TO FS 379.00 CORRODED REMOVED CORRODED INTERCOSTAL AT STGR 27(LH) AFT OF AVIONICS BAY DOOR AT FS 364.00 TO FS 379.00 AND REPLACED WITH NEW INTERCOSTAL PER CRJ700 SRM 51-42-06