As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CPCP INSPECTION, MAINTENANCE FOUND THE SERVICE DOOR FORWARD SILL HAS CORROSION IN SEVERAL AREAS OF THE UPPER SURFACE. MAINTENANCE REMOVED AND REPLACED THE SERVICE DOOR FORWARD WEB (SILL) IAW SRM. AIRCRAFT RETURNED TO SERVICE. (SW21200502486) (K)