As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON FRAME AT FS349.00 BETWEEN STGR 25L TO 25R (C-CHECK) RO 3/25/2021 CORROSIONS IS ON MORE THEN ONE ELEMENT OF THE FRAME WHICH MAKES IT OUT OF ALLOWABLE LIMITS IAW CRJ700 SRM 53-21-06-101-006-A01 / . REMOVED AND INSTALLED NEW FRAME AT F.S. 349.00 IAW CRJ700 SRM 51-42-06-001-001-A01 AND DWG #SH670-31350 REV NC. NO LEAKS NOTED. COMPLIED WITH 51-900-1002-SKY