What was found
DURING M-CHECK FOUND MAIN PASSENGER CABIN STA 200-285, RBL44, SEAT TRACK HAS CORROSION IN SEVERAL AREAS. REMOVED CORROSION AT RBL 44, BS 200-285, ORIGINAL MATERIAL .115 MAT, REMAINING .080 OUT OF LIMITS IAW SRM 53-01, FIG 1, REMOVED SEAT TRACK IAW SRM 51-30-2. MAT FOR NEW SEAT TRACK S2776220 7075-T6511 PO 0920397, INSTALLED NEW SEAT TRACK IAW SRM 51-30-01 AND SRM 51-30-5.