What was found
MAIN CABIN FLOOR STRUCTURE SEAT TRACK HAS CORROSION LBL 54 STA 217-484. REMOVED CORROSION. FOUND TO BE OUT OF LIMITS. REMOVED SEAT TRACK LBL 54 FROM 217 TO 248, FABRICATED SEAT TRACK, REPAIR STRAPS, AND INSTALLED IAW MD-88 SRM 53-05. DURING HMV.