As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN CENTER WING FUEL TANK SUPPORT FITTING CRACKS AT LBL 7 , STA 540 MKD (AAR NR REF 99861939) REMOVED AND REPLACED SHEAR FITTING AT MAIN CABIN CTR WING FUEL TANK STA 540 LBL 7 PER B737-800 SRM 51-40-02 & DWG # 111A2000 ADD EMP:V900454