As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AVIONICS BAY DOOR SURROUND STRUCTURE AT FS 401-403 LBL 2 ON BOTTOM FLANGE OF INTERCOSTAL IS CORRODED. AVI-BAY DOOR SURROUND STRUCTURE INTERCOSTAL AT F.S. 394 - F.S. 409 LBL 2 FOUND TO BE CORRODED OUT OF LIMITS DUE TO NO DAMAGE ALLOWED IAW CRJ-900 SRM 53-21-23-101-003-A02. REMOVED AND REPLACED WITH NEW SERVICEABLE INTERCOSTAL P/N SH670-32075-3 IAW CRJ-900 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01.