As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* AVIONICS BAY AT FS 333.0 IN BETWEEN STR 25L TO STR 26R FRAME FLANGE HAS CORROSION FWD AND AFT OF FRAME. (C-CHECK) RO 2/1/2021 REMOVED AND REPLACED FRAME SECTION FS333 FROM STRG 21R TO STRG 26R. REF CRJ900 SRM 51-42-06-001-001-A01 AND REF CRJ900 SRM 51-42-21-001-001-A01. AND DWG SH670-32420 REV E. PRESSURE CHECKS GOOD. COMPLIED WITH TASK 51-900-1002-SKY.