What was found
AIRCRAFT WAS BROUGHT IN FOR PHASE INSPECTION. DURING INSPECTION A DOUBLER ROW OF RIVETS AT WING STATION 209.016 WERE FOUND WITH PAINT POPPING OFF OF THE RIVET HEADS. USED BOROSCOPE TO INSPECT RIVET BUCKTAILS. FOUND ALL OF THE RIVETS IN THE DOUBLE ROW OF THE SKIN LAP AT WS 209.016 WERE UNDER DRIVEN. THESE RIVETS WERE INSTALLED NEW AT THE FACTORY. AIRCRAFT HAS A TT OF 201.8. RECOMMEND INSPECTING THESE RIVETS FOR POPPED PAINT AND SMOKING CONDITION AND INSTALLING NEW RIVETS IAW AC 43.13-1B. (K)