As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON STGR18R AT APPROX FS620 - FS645 (C-CHECK RO 5/25/2021) REMOVED DAMAGED SECTION OF STR 18R BETWEEN FS620 AND FS661+53 AND INSTALLED NEW STRINGER SECTION AND SPLICE ANGLES IAW CRJ900 SRM 53-00-03-201-001-A02 REV. 38 DATE: 14 DEC 2020. FIG 53-00-03-995-807 SHT 2. COMPLIED WITH TASK CARD 51-900-1002-SKY. LEAK CHECK GOOD.