What was found
DURING C-CHECK, DISCREPANCY AS FOLLOWS, N/R 3887, FR.18-FR. 26.5 RBL 98 SEAT TRACKS MAIN CABIN CORRODED BEYOND LIMITS IAW SRM 51-40-11. REMOVED SEAT TRACKS FROM FR 18 TO FR 26.5 AT RBL 98 IAW SRM 51-30-30. REPLACED SEAT TRACK IAW SRM 51-10-40. INSTALLED NEW SEAT TRACK FROM FR. 18 TO FR 26.5 AT RBL 98 IAW SRM 53-10-10/51-10-40. MATERIAL USED, PN 60-22457, PO NR 24302234.