As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THERE IS EVIDENCE OF CORROSION AT FS 319.70 FRAME BETWEEN STR 18L AND STR 21L NEAR A GROUP OF GROUND STUDS. C-CHECK RO 9/5/2020. REMOVED AND INSTALLED NEW FRAME AT FS 319.70 APPROX BETWEEN STGR 18L TO 21L, REF CRJ 700 SRM AND DRAWING. COMPLIED WITH SKYWEST TASKCARD. PRESSURIZATION LEAK CHECK GOOD.