What was found
LCQ - MAJOR REPAIR - DURING C-12 CHECK A 2 INCH CRACK WAS FOUND ON CABIN FLOOR INTERCOSTAL BS 860-880, BL-0. MAINTENANCE REMOVED CRACKED INTERCOSTAL BS 860-880, BL-0; FABRICATED A REPAIR ANGLE; INSTALLED REPAIR PART IAW B757-200 SRM 53-00-51 FIG 204, PG 214-215.