What was found
MCN - MAJOR REPAIR - DURING C-18 CHECK A .375 INCH CRACK WAS FOUND IN TIE STRAP BELOW CABIN FLOOR IN E&E COMPARTMENT BS 328, LBL 12. MAINTENANCE STOP DRILLED CRACK IN TIE STRAP BS 328, LBL 12; FABRICATED A REPAIR PLATE; INSTALLED REPAIR PART IAW B737-300 SRM 53-10-51, PG 1, & 219, FIG 204.