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 FOUND LT HORIZONTAL STAB RIB 11A IS ALSO CRACKED AT FWD UPPER AND AFT UPPER FLANGES. MX REPAIRED RIB 11A BY CUTTING CRACKED FLANGES AND INSTALLING FABRICATED REPAIR FLANGES IAW ETD2013-170-014268, REV 1.