What was found
MAIN CABIN SEAT TRACK RBL 24 STA 1379-1384 UPPER LOBES HAVE AREAS OF CORROSION. REMOVED CORROSION AND CHECKED LIMITS OF SEAT TRACK @ BS 1379-1384, RBL 24, AND FOUND TO BE OUT OF LIMITS PER SRM 53-00-52, FIG. 101, DETAIL 4. FABRICATED NEW SEAT TRACK ON N/R N00665. INSTALLED NNEW SEAT TRACK 2 BS 1320-1540, RBL 24, IAW SRM 51-40- 02. THIS REPAIR IS CLASSIFIED AS A CAT. "A" MAJOR REPAIR.