As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER WIN BOX FWD UPPER SKIN STA 546 LBL-6 HORIZONTAL STIFFNER CRACKED. MKD 126-020. (REF AAR NR 9987126) REMOVED AND REPLAACED CENTER WING BOX FWD UPPER SKIN STA 546 LBL-6 STIFFNER IAW B737-700 ECRA 5714-0414 AND RES 2015752-50. PERFORMED HFEC, ON EXISTING HOLES REF NDTM PT6 51-00-00 PROC16 NO CRACKS. FILLET SEAL AND CAP SEAL WILL BE ACCOMPLISHED ON N/R 99878456.