As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACFT WAS IN FOR HEAVY CHECK, MX REPORTED THE RT RIB 14 ON THE HORIZONTAL STABILIZER HAS A .5" CRACK ON THE UPPER FLANGE AFT END. MX PERFORMED A MAJOR REPAIR. R & R RIB 14 IAW SRM 51-40-2, 51-41-02 & 51-42-00. ACFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.