What was found
CORROSION ON PASSENGER CABIN SEAT TRACK, RBL 25, BS 545, 551, 561, 571, 613, 650, 681, 713, 724, & 727A+8. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-1. REMOVED THE SEAT TRACK IAW SRM 53-00-52-1A-1. A NEW SEAT TRACK FABRICATED IAW DWG 53-50. INSTALLED THE NEW SEAT TRACK IAW DRAWING 144A5350, AMM 20-50-11-910-801, TABLE 204.