As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY STR 20R CORRODED BETWEEN FS295.00 AND FS319.00 (C-CHECK) RO 2/1/2021 INSTALLED REPLACEMENT STR20R IN MAIN AVIONICS BAY BETWEEN FS295.00 AND FS319.00 REF MHI RJ REO 690-53-21-1299 REV -- DATED 2020-12-29, CRJ-900 SRM 53-00-03-201-001-A02 AND CRJ-900SRM 51-42-06-001-001-A01. COMPLIED WITH 51-900-1002-SKY AND PRESSURE CHECK GOOD . SEE CONTINUATION CARD FOR DETAILS