As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FRAME AT FS 333 FROM STGR 26L TO STGR 26R. (C-CHECK RO 6/22/2021) REMOVED AND REPLACED CORRODED FRAME AT FS333 FROM STR 26L - 26R. REF CRJ900 SRM 51-42-06-001-001-A01, REF CRJ900 SRM 51-42-21-001-001-A01 AND DWG SH670-32420 REV E. COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAKS NOTED.