As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEVERE CORROSION FOUND AROUND FASTENER HOLES ON STRINGER 23R LOCATED BETWEEN FS333 - FS379 (C-CHECK RO 6/04/2021) REPLACED STRINGER 23R BETWEEN FS333-379 REF CRJ-700 SRM 51-42-06-001-001-A01 AND DWG SH670-31350 REV A. COMPLIED WITH TASK CARD 51-900-1002-SKY.