As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND SUB FRAME CORRODED AT APPROX FS 990.00 BETWEEN STGR25L TO STGR 26L. (C-CHECK RO 4/21/2021) REMOVED AND REPLACED SUB FRAME AT APPROX FS 990.00 BETWEEN FS 25L TO 26L. REF: CRJ 700, SRM 51-42-06-001-001-A01 AND DWG MM670-62650 REV B COMPLIED WITH TASK CARD 51-900-1002-SKY AND FORM M-337.SEE CONTINUE CARD FOR MORE DETAILS. PRESSURE CHECK GOOD.