What was found
DURING D-CHECK, INSIDE VERTICAL FIN THROUGH ACCESS PANEL 9504, CORROSION ON HORIZONTAL LEG OF HORIZONTAL L-ANGLE (CHORD) APPROXIMATELY FS 1343, LEFT SIDE. INSTALLED REPAIR S/S 301 1/2 HARD ANGLE PER SRM 51-40-4 AND 51-30-2, 6 INCH BY 10 INCH, .125 INCH. TAT: 53,881.4 HRS. TAC 36,380.