As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR INTERCOSTAL DD3 (601R318055-1) CORRODED, LOCATED AFT SIDE FIFTH FROM THE BOTTOM OF DOOR DRILLED & LOCATED NEW PART IAW CRJ 900 SRM 51-40-11-001-001-A01 REV 378-15-19, INSTALLED NEW PART P/N 601R318055-1 IAW CRJ 900 SRM 51-42-06-001-001-A01 REV 37 8-15-19. WVAC