As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING REPLACEMENT OF STR 20R, FOUND FACTORY SPLICE AT STR 21R, BETWEEN FS 469 TO FS 485 TO BE CORRODED. C-CHECK RO 1/17/2021. INSTALLED NEW STRINGER SPLICE, IAW CRJ700 SRM 51-42-06-001-001-A01, AND DWG SH670-30006 REV A. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH SKYCARD 51-900-1002. LEAK CHECK GOOD.