As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND LT HORIZONTAL RIB 11 UPR AND LOWER FLANGES CRACKED AT FASTENER HOLES JUST FWD OF STR 02L. MAINTENANCE REMOVED AND REPLACED LT HORIZONTAL STAB RIB 11 IAW SRM 51-40-08 AND DRAWING 170-62400.