As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORMER AT FS313.56 IS SEVERELY CORRODED ALONG ITS ENTIRE LENGTH. (C-CHECK RO 8/31/21) FORMER AT FS 313.56 WAS REMOVED AND REPLACED IAW CRJ 700 SRM 51-42-06-001-001-A01 & 51-42-21-001-001-A01. NO DEFECTS NOTED. FORM 337 AND MAJOR REPAIR TASKCARD 51-900-1002-SKY COMPLETED AND ATTACHED. NO WEIGHT CHANGE, SEE CONTINUATION CARD FOR DETAILS OF WORK PERFORMED.