What was found
DURING C14 CHECK A .5 INCH CRACK WAS FOUND INBOARD SIDE BS 178 BULKHEAD VERTICAL TEE AT CENTER RADIUS LBL 5.7, WL 183-184. MAINTENANCE CUT OUT DAMAGED AREA OF VERTICAL TEE AND PERFORMED A HFEC INSPECTION TO VERIFY NO CRACKS EXIST; FABRICATED 5 EACH REPAIR ANGLES, 2 EACH STRAPS, 6 EACH FILLERS, AND A STIFFENER; INSTALLED REPAIR PARTS IAW B737-300 SRM 53-10-08, FIG 205, PG 221-240.