As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
B737-57-3-0567 MAIN CABIN CENTER WING TANK ATTACHED FITTING CRACKS AT STA 540 RBL15 MKD DOT REF NR 99867245. REMOVED AND REPLACED FITTING AT MAIN CABIN CENTER WING TANK STA 540 RBL 15 IAW SRM 51-40-02 & 51-40-05. FUEL VAPOR BARRIER AND SEALANT WILL BE PERFORMED ON N/R 99867457 C/W INSPECTION.