What was found
SERVICE DOOR SEAL RETAINER ON THE FUSELAGE IS CORRODED ON THE AFT SIDE AROUND SCREW HOLES AT THE BOTTOM. (C-CHECK RO 4/9/2022) REMOVED AND REPLACED THE SERVICE DOOR SEAL STRIKER RETAINER IAW CRJ-700 SRM 51-42-06-001-001-A01 REV.38B, DATED 12/14/2020. COMPLIED WITH SKYWEST MAJOR REPAIR TASK CARD 51-900-1002-SKY. NO CHANGE WEIGHT AND BLALANCE. LEAK TEST IS GOOD AT THIS TIME. REFERENCE THE CONTINUATION CARD FOR THE WORK PERFORMED.