What was found
FLT 6405 MCO-BNA, ON HEAVY MAINTENANCE CHECK FOUND AFT CABIN LEFT SEAT TRACK AT FR 84 LBL 11.0 (W=82X1 .30" NOMINAL .080 REMAINING .045") AND LBL 11.5" DEFECT SIZE W .59X 1.20" NOMINAL .080" REMAIN .045". COMPLIED WITH TASK CARD E12-371-01 PER N/R 1512. MATERIAL REMOVED 16 PERCENT. REPAIRED BY BELNDING CORROSION AND FABRICATING A REPAIR STRAP. HFEC INSPECTED PERFORMED. FILL REWORKED AREA WITH HYSOL EA9396. INSTALL STRAP USING ORIGINAL FASTENER HOLES AND ADDITIONAL ADDED AS REQUESTED. ALODINE, PRIMED AND TOP COAT ACCOMPLISHED NDT-53-23-00-211-806 PER TASK CARD E12-371-01AND N/R 1512.