What was found
MAIN CABIN SEAT TRACK FLANGE HAS CORROSION AT RBL 45 STA 1540. REMOVED CORROSION AT MAIN CABIN SEAT TRACK FLANGE RBL 45 STA 1540 AND AFTER EVALUATION FOUND SEAT TRACK OUT OF LIMITS, IAW B757 SRM 51-10-02-0G AND B757 SRM 53-00-52-1A FIG 101 DET VII. REMOVED AND REPLACED BY FABRICATION SEAT TRACK FROM STA 1320 TO 1540 RBL 45, IAW B757 SRM 51-40-05-0G, 51-40-08-0G, 51-40-02-0G AND BOEING DWG NR 146N5130 REV.