As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRINGER SPLICE ON STGR 21L AT FS 333.00 HAS CORROSION. C-CHECK RO 1/5/2021. REMOVED AND INSTALLED NEW STRINGER 21L SPLICE AT FS 333, REF CRJ700 SRM 51-42-06-001-001-A01 AND BOMBARDIER DWG SH670-32420 REV E. NO LEAKS NOTED AND COMPLIED WITH TASK CARD 51-900-1002-SKY.