What was found
CORROSION AT MOUNTING ANGLE AND 3 LOWER SILL ANGLES (WEB FLOOR PROTECTOR ANGLES) BTW FS=319 TO FS=349 OF SERVICE DOOR SURROUND STRUCTURE DUE TO EXCESSIVE DAMAGE, MOUNTING ANGLE LOCATED BTW FS=319 TO FS=349 OF SERVICE DOOR SURROUND STRUCTURE WAS REPLACED PER CRJ 900 SRM 53-21-23-101-002-A02, SRM 51-42-21-001-001=A01, SRM 51-42-06-001-001-A01 AND CORROSION ON LOWER SILL ANGLES (WEB FLOOR PROTECTOR ANGLES) BTW FS=319 TO FS=349 OF SERVICE DOOR SURROUND STRUCTURE WAS REMOVED CRJ-900 SRM 51-21-06-001-001-A01 AND WAS EVALUATED IS WITHIN LIMITS PER CRJ-900 SRM 53-00-00-101-001-A01