What was found
WHILE ACCOMPLISHING EA 12-488843-01, DURING PSV, THE NDT INSPECTION DETECTED CRACK INDICATIONS IN A TOTAL OF SIX FASTENERS HOLE LOCATIONS COMMON TO THE FLOORBEAM UPPER TEE AND UNDER UNDERLYING SPLICE PLATES LOCATED AT BS 727B. CRACK INDICATIONS ARE REPORTED TO ONLY BE IN THE SUBJECT FLOORBEAM UPPER TEE DISCREPANT FASTENER HOLE LOCATIONS ARE 4 AR RBL 24.75 , LBL 24.75 , AND LBL 45.50. THIS ERA REMOVES THE DAMAGE AND INSTALLS NEW SPLICE STRAPS IAW SB 737-53-1296 AT ALL 4 STA STATIONS REF ERA 507709-14, REV ORG ERA 507709-14.