What was found
SERVICE DOOR SEAL STRIKER, UPPER ANGLE, LOWER ANGLE, AND BOTH CENTER FITTINGS HAVE SIGNS OF CORROSION. CA: REPLACED SERVICE DOOR SEAL STRIKER, UPPER ANGLE, LOWER ANGLE, AND BOTH CENTER FITTINGS IAW CRJ 900 SRM 51-42-06-001-001-A01, 51-42-36-001-001-A01, 51-40-11-001-001-A01, AND AMM 53-21-27-400-802-A02.