As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK, RT HORIZONTAL STAB, RIB 12 BETWEEN FRONT AND MID SPAR UPPER AND LOWER FLANGES IS CRACKED. MX PERFORMED A PERMANENT REPAIR OF DAMAGED RIB 12A FLANGES ON RT HORIZONTAL STAB IAW ETD 2014-170-015568. PERMENANT REPAIR REQUIRES INSPECTION TASK 55-10-017-0001 INTERNAL DET THRESHOLD OF 20000 F/C INTERVAL OF 20000 F/C THRESHOLD COUNTED SINCE NEW ISSUED DMI 412445/3 THIS IS A MAJOR REPAIR.