What was found
LEFT CUSP WEB BETWEEN BS 446-465 HAS 2 AREAS OF CORROSION. LEFT CUSP WEB, FS 446-FS 465, 2 AREAS CORROSION. REMOVED CORROSION MECHANICALLY. ORIGINAL "T" .020, LOSS OF .005, .015 REMAINING. FOUND TO BE OUT OF LIMITS. ACCESSED AREA TO BE REPAIRED. DRILLED & FABRICATED REPAIR DOUBLERS & INSTALLED, RESTORED ALL OF AREA TO ORIGINAL FINISH IAW SRM 51-41-01, 51-41-02, 51-41-06, 53-00-51. REPAIR 4, PAGE 257, FIG 208, AMM 53-22-01-401.