What was found
ABOVE WING CENTER BOX BS 540 BULKHEAD AT RBL 14.5 VAPOR SEAL IS CRACKED AT AFT END OF SHEAR TIE INDICATING A POSSIBLE CRACK ON SHEAR TIE. [DOT 124-001] REF AAR NR: 99859499. REMOVED AND REPLACED SHEAR TIE AT WINY CENTER BOX BS540 BULKHEAD RBL 14.5 IAW B737-800 SRM 51-40-02. APPLIED YELLOW PRIMER AND VAPOR BARRIER SEALANT ON SHEAR TIE WING CENTER BOX BS 540 RBL 14.5 IAW B737-800 AMM 28-11-00-300-804. APPLIED FUEL TANK SEALANT INTERNALLY/INSIDE TANK CENTER BOX BS540 RBL 145 ADD IAW REF B737-800 AMM 51-31-00. INSPECTION C/W