As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A REQUEST FOR AN OK TO INSTALL R/H HORIZONTAL STAB L/E, FOUND INSPAR RIB AT STAB STA 92.70 HAS A SUSPECTED CRACK JUST AFT OF EXISTING REPAIR. GROUNDED - YES. REPAIRED RIB ON STA 92.70 RH HORIZONTAL STB IAW B737-700 SRM 55-10-09-2R-4.