What was found
UPPER CARGO FLOORBEAM, SECTION 41, CRACKED AT UNDERSIDE, BENEATH PANEL 221G JUST AFT OF ENTRYWAY FLOOR HATCH. R & R UPPER WEB STIFFENER AT STA 325-355, LBL40 BELOW PANEL 221G IAW DWG 141T5140 & SRM 51-40-02, PAR 7, PG 4, PN 141T5140-109 STIFFENER CRACKED .5" LBL40 FROM 325 TO 355; NSN. ACFT WAS GROUNDED.