As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH HORIZONTAL STAB L/E ACCESS PANEL RIB 4 HAS A CRACK. ; / [01] REMOVED CRACKED RIB P/N 186A1304-1 PER B737-700 SRM 51-40-02-0G-0.; [02] VERIFIED RIB REMOVAL; [03] LOCATED AND DRILLED NEW RIB P/N 186A1304-1 PER B737-700 SRM 51-10-02-0G-0.; [04] VERIFIED DRILLING; [05] OK TO INSTALL NEW RIB.; [06] INSTALLED NEW RIB AT LH HORIZONTAL STA L/E PANEL AS PER B737-700 SRM 51-40-02-0G-0; [07] VERIFIED STEP # 6.