As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN CENTER WING TANK SUPPORT FITTING CRACKS AT STA 450 AND RBL 41. (REF AAR NR 99870741) REMOVED AND REPLACED SUPPORT FITTING AT MAIN CABIN CENTER WING TANK STA 540 RBL 41 PER B737-800 SRM 51-40-02 AND DRWG 111A2000. ADD EMP:V891530