As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN AVIONICS BAY DOOR SURROUND STRUCTURE FORWARD INTERCOSTAL #1 FROM FAR LEFT TO FAR RIGHT IS CORRODED. REMOVED AND REPLACED #1 FWD INTERCOSTAL FROM F.S.349 TO F.S.364 AT STRTINGER 26L IAW CRJ 900 SRM 51-40-11-001-001-A01 AND 51-42-06-001-001-A01.