What was found
THE FRAME SPLICES ADJACENT TO STRINGER 4L ON FUSELAGE FRAME AT FS 523.5, HAD POOR FIT-UP BETWEEN THE LT FRAME (114-430059-5), THE TOP FRAME (114-430127-3) AND THE LT SPLICE CLIP (114-43006019). THERE WAS A 0.030 TO 0.060 INCH GAP BETWEEN THE FRAME FLANGE AND THE FLANGE OF THE SPLICE CLIP WITH THE RIVET SHANKS VISIBLE. THE GAP BETWEEN THE FRAME FLANGE AND THE SPLICE CLIP WAS SIMILAR ON THE RT SIDE AND ALSO ON LT AND RT OF THE FS 531.0 FRAME AND FS 544.25 FRAME LT AND RT TO A LESSER DEGREE. ONE RIVET HEAD WAS MISSING FROM THE FLANGE AT THE FS 544.25, RT SIDE SPLICE AND SEVERAL HEADS (POPPED OFF) WHEN REMOVING THE RIVETS FOR REPAIR. (K)