What was found
DURING C-4 CHECK, INSPECTION REPORTED MINOR CORROSION ON R1 DOOR THRESHOLD STRIP. FOUND R1 DOOR THRESHOLD STRIP TO BE OUT OF LIMITS PER SRM 51-70-00. FABRICATED AND INSTALLED REPLACEMENT R1 DOOR SILL COVER PER AIRBUS DWG B5 D53610197, SRM 51-27-00, SRM 51-44-11 AND SRM 51-21-11.