As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS FRAME FS319 HAS CORROSION BETWEEN STR 26R - STR 26L. INSTALLED NEW MAIN AVIONICS FRAME FS319 BETWEEN STR 23R - STR 25L REF CRJ-900 SRM 51-42-21-001-001-A01 AND SRM 53-00-06-201-006-A01 AND DWG SH670-31630 REV K. COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY, LEAK CHECK GOOD