What was found
MCN - MAJOR REPAIR - DURING C-14 CHECK A 1 3/8" CRACK WAS FOUND ON FORWARD TEE CHORD, AFT SIDE OF BS 178 BULKHEAD WEB, LBL 5.7, WL 184. MAINTENANCE CUTOUT DAMAGED AREA OF FORWARD TEE CHORD, LBL 5.7, WL 184, BS 178; PERFORMED HFEC INSPECTION TO VERIFY NO CRACKS EXIST; FABRICATED 4 EACH REPAIR ANGLES, 2 EACH RADIUS BLOCKS, AND A FILLER; INSTALLED REPAIR PARTS IAW B737-300 SRM 53-10-08, PG. 221-240, FIG. 205.