As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY FS 295.00 FRAME SECTION FROM STR 18L TO STR 20L CORRODED. C-CHECK RO 1/5/2021. REMOVED AND INSTALLED FS 295.00 FRAME SECTION FROM STR 18L TO STR 20L, REF DWG SH670-31550 REV G, CRJ 700 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01. NO LEAKS NOTED. COMPLIED WITH 51-900-1002-SKY.