What was found
DURING C-14 CHECK A .75 INCH CRACK WAS FOUND ON PRESSURE WEB AT BS 664, LBL 34. MAINTENANCE CUT OUT DAMAGE ON PRESSURE WEB AT BS 664, LBL 34; PERFORMED A HFEC INSPECTION TO VERIFY NO CRACKS EXIST; FABRICATED A STIFFENER, DOUBLER AND 3 EACH FILLERS PER B737-300 SRM 53-60-51, PG 215, FIG 203 & PG 4, FIG 1; INSTALLED REPAIR PARTS IAW B737-300 SRM 51-40-02, PG 3 & 38.