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 15 HORIZONTAL STIFFNER CRACKED. MKD 126-021. (REF AAR NR 99878127) REMOVED AND REPLACED CENTER WING BOX FWD UPPER SKIN STA 546 LBL 15 STIFFNER IAW B737-700 ECRA 5714-01115. PERFORMED HFEC ON EXISTING HOLES REF NDTM PT-6 51-00-00 PROC 16 NO CRACKS. FILLED SEAL AND CAP SEAL WILL BE ACCOMPLSIEHD ON N/R 99878455.