What was found
CRACKED & CORRODED SKIN AROUND ANTENNA BASE AT FS 79, BETWEEN STRINGER 5R & 6R TO REPAIR A CRACKED FUSELAGE SKIN, DUE TO CORROSION. REMOVE ANTENNA. CUT OUT DAMAGE, INSTALL FILLER & DOUBLER IAW DC-6 A & B OVERHAUL MANUAL FIGURE 12 - 22. REINSTALL ANTENNA & PERFORM OPERATIONS CHECK.