As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORRODED SKIN AROUND EXTERNAL HANDLE OF FWD MAIN CARGO DOOR. TO REPAIR CORRODED SKINS AT THE FWD MAIN CARGO DOOR DIRECTLY BELOW THE EXTERNAL HANDLE AT THE SEAM, AROUND F/STA 120. PERFORM 2 SKIN REPAIRS PER DC-6 A&B OVERHAUL MANUAL FIGURE 12-22. ONE REPAIR IS AT THE OPERATING HANDLE, THE SECOND REPAIR IS DIRECTLY BELOW AT THE RIVET SEAM.