What was found
PASSENGER DOOR UPPER SILL ANGLE IS CORRODED. (C-CHECK RO 4/9/2022) DISCREPANCY SHOULD HAVE READ PAASENGER DOOR UPPER MID SILL CORRODED. REMOVED AND REPLACED PAX DOOR MID UPPER SILL ANGLE WITH A SERVICEABLE PART IAW CRJ 700 AMM 20-21-00-910-801-A01. MAJOR REPAIR TASK CARD 51-900-1002-SKY AND FORM M-337 COMPLETED AND ATTACHED. NO WEIGHT CHANGE NOTED. SEE CONTINUE CARD FOR DETAILS.