As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HORZ STAB RIB CRACKED ON UPPER FLANGE OF CASTING JUST AFT OF AFT MOUNT LUG. FABRICATED AND INSTALLED DOUBLER PER ECRA 5510-02038 AND INITIATED DIP TO READ ON OR BEFORE 28 JULY, 2011. REMOVE AND REPLACE THE P/N 185A1311-3 RIB FITTING PER PART 3 OF ECRA 5510-02038.