What was found
SEAT TRACK, BS 418 - 440, RBL 45, NICKED, GOUGED & CORRODED. CHECKED LIMITS IAW SRM 53-00-52, FLAG NOTE G & FOUND TO BE OUT OF LIMITS. PROFILED NEW SEAT TRACK, BATCH 0002645495, PN BAC1520-792A, IAW SRM 51-40-05 & DWG 141N5131. LOCATED & DRILLED IAW SRM 51-40-05 & DWG 141N5131. INSTALLED NEW PART SEAT TRACK IAW SRM 51-40-02 & DWG 141N5131, AT BS 418 - 440, RBL 4. MAJOR REPAIR.