As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
: LEFT HORIZONTAL STAB L/E CRACK ON FIFTH RIB IN FROM INB END. MARKED WITH BLACK MARKER / REMOVED FIFTH TAB FROM INB END OF LEFT HORIZONTAL STAB 4E CRACKED AND INSTALLED NEW RIB ASSY P/N 186A130S-1 (RUB CRACKED NOT FOUND ALLOWABLE LIMITS ON THE SRM) IAW B737-800 SRM 51-40-02-0G-0; SRM 51-40-05-0G-0 DWG # 186A1001 REV;- AMM 51-21-91-620-802.