As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REMOVING STRINGER 23L FOUND ADDITIONAL CORROSION ON STRINGER 24 L BETWEEN @FS295.00 & FS310.00 (C-CHECK RO 11-05-2021) REPLACED STRINGER 24L WITH NEW FROM FS295.00-FS310.00 REF CRJ-700 SRM 51-42-06-001-001-A01, CRJ-700 SRM 51-42-21-001-001-A01, AND DWG SH670-31630 REV K. LEAK CHECK GOOD COMPLIED WITH 51-900-1002-SKY LEAK CHECK GOOD.