As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 4C INSPECTION TASK 5320-152-01I, REVEALED CORROSION BETWEEN AFT EMERGENCY EXIT SILL AND PIN RECEPTICALS DUE TO LACK OF INTERFACE SEALANT. REMOVED CORRODED SILL AND RECEPTICALS AND INSTALLED SERVICEABLE RECEPTICALS TO SILL USING INTERFACE SEALANT AND REINSTALLED IN AIRCRAFT.