As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN SERVICE DOOR THRESHOLD HAS CORROSION AROUND NUTPLATE HOLES FROM STA 20 THRU 22-. BEGAN REMOVING SVC DOOR THRESHOLD FASTENERS. REMOVED & BEGAN DRILLING HOLES IN THE SVC DOOR THRESHOLD. BEGAN INSTALLING SVC DOOR THRESHOLD. INSTALLED ALL HI-LOKS & #5 RIVETS, #6 BUTTON HEAD RIVETS NEED INSTALLED FOR FINISHIBNG THE INSTALLATION. INSTALLED THE #6 RIVETS IN THE SVC DOOR THRESHOLD.