What was found
RH SEAT TRACK RBL 58.22 LIGHT SURFACE CORROSION AROUND NUT PLATES AT FS 1180R. REMOVED CORROSION AT SEAT TRACK RBL 58.22 STA. 1180 AND STA. 1300 AND FOUND TO BE OUT OF LIMITS IN BOTH LOCATIONS IAW B757 SRM 53-00-52-1A FIG 101 DET VII AND DET I, CUT OUT SECTION OF SEAT TRACK RBL 58.22 FROM STA. 1180 TO 1310, FABRICATED AND INSTALLED NEW SEAT TRACK AND REPAIR CHANNEL IAW B757 SRM 53-00-52-2R REPAIR 3, OPTION 2. C/W FEDEX EA# F-5310-T0355374 P1. FUSELAGE - MAINFRAME - RBL 58 SEAT TRACK REPAIR BETWEEN STA. 1180 - 1320 - SRM REPAIR DEVIATION FOR ALTERNATE FINISH.