What was found
STA 418-440, RBL 45, SEAT TRACK GOUGED. REMOVED GOUGE, AFTER REWORK OUT OF LIMITS IAW SRM 53-00-52, FIG 101, DETAIL 7 ORIG MATL, .91, AFTER BLEND OUT, .37, ONLY 20 PERCENT OF MATL ALLOWED. REMOVED SEAT TRACK, BS 418-440, RBL 45, IAW SRM 51-40-02. FABRICATED NEW SEAT TRACK PN BAC 1520-792, BATCH 189618, IAW SRM 51-10-01. INSTALLED SEAT TRACK IAW SRM 51-40-02, AT BS 418-440, RBL 45. MAJOR REPAIR