What was found
STA 377-418, SEAT TRACK SUPPORT IS CORRODED AT LBL 24. REMOVED CORROSION IAW SRM 53-00-52, DETAIL7 AND FOUND OUT OF LIMITS. ORIG MAT.=.070 INCH, AFTER REWORK=.054 INCH, REMOVED .016 INCH. REMOVED AND FABRICATED NEW SUPPORT, PN BAC1508-237, IAW BATCH NR 1611760. INSTALLED NEW SUPPORT AT BS 377-418, LBL 24, IAW SRM 51-40-02. THIS IS A CAT. "A" MAJOR REPAIR.