What was found
WHILE IN FOR D-CHECK, MAINTENANCE REPORTED CABIN FLOOR INTERCOSTAL UPPER OUTBOARD FLANGE HAS A 1.5 INCH CRACK AT RBL 44 AND BS 304 UNDER FORWARD LAV. REMOVED DAMAGED AREA PER SRM 51-40-3, FABRICATED AND INSTALLED FILLER AND REPAIR ANGLE PER SRM 51-10-2, 51-30-2, AND 51-40-3.