As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION NOTED ON SILL STRUCTURE @ STRINGER 17R BETWEEN STATION 1015-1031 (C-CHECK RO 7/7/2021) REPLACED CORRODED SILL STRUCTURE AT STRINGER 17R BETWEEN FS 1015.00 AND 1031.00 AS PER CRJ 900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 AND DRAWING MM670-35052 REV K. SEE CONTINUE CARD FOR DETAILS, M337 AND TASK CARD 51-900-1002-SKY COMPLIED WITH. LEAK CHECK GOOD.