What was found
MCI - DURING OP 16 MAINTENANCE CHECK FOUND CORROSION BEYOND LIMITS IN CHAIR TRACK AT STA 570 TO STA 617, LBL 45 IN. REMOVED AND REPLACED SEAT TRACK AT STA 570 TO STA 617, LBL 45 IN, PER SRM 53-05, PG 10G. ACFT TT: 75,041 HOURS. ACFT TC: 81,086. (X)