What was found
FWD PIT FLOOR SUPPORT AT STATION 460 RBL 17 HAS LARGE GOUGE. GROUNDED-YES. MEASURED THE DEPTH OF THE GOUGE ON THE CARGO TRACK, DEPTH=0.060 X WIDTH= 0.400, ORIGINAL THICKNESS 0.170, FOUND TO BE OUT OF LIMITS, IAW B737-800 SRM53-00-53-1A-Z. REMOVED DAMAGED SECTION OF THE CARGO TRACK FLOOR SUPPORT, IAW B737-800 SRM 53-00-53-2R-3. INSTALLED TRACK EXTRUSION AND REPAIR TRACK SPLICES AT STA 400-STA 500+12 RBL 17, IAW B737-800 SRM 53-00-53-2R-3 REPAIR 3 ALTERNATIVE 1. REPAIR 3 IS A PERMANENT REPAIR, NO FURTHER ACTION REQUIRED.