What was found
WHILE IN FOR SI CHECK, MAINTENANCE REPORTED FORWARD CARGO DOOR NR 4 TRAVERSE BEAM AND OUTBOARD L-ANGLE CRACKED IN RADIUS AT OUTER SKIN VERTICAL STIFFENER. REMOVED AND REPLACED NR 4 TRAVERSE BEAM AND OUTBOARD L-ANGLE IAW SRM 51-10-1, 51-30-2, 51-30-5, 51-10-2 AND M/M 51-20-151.