As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R/H HORIZ STAB INBD SIDE OF RIB AT STAB STA 101. 90 VERTICAL STIFFNER #2 IS CRACKED AT THE LOWER TRANSITION RADIUS. CUT AND REMOVED THE VISABLE CRACK FROM STIFFENER NR 2 AT STA 101.90 RH SIDE IAW B737-800 SRM 55-10-09-2R-4. FABRICATED REPAIR ANGLE SHIMS AND T-ANGLE IAW SRM 55-10-09-2R-4. INSTALLED ALL REPAIR PARTS IAW SRM 55-10-09-2R-4 AND B737-800 SRM 51-40-02.