As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHEDULED MAINTENANCE VISIT WHILE PERFORMING A HORIZONTAL STABILIZER ROLLER INSPECTION AS PART OF THE (B) LEVEL INSPECTION THE RT IB HORIZONTAL STABILIZER RIB STRUCTURE WAS FOUND CRACKED NEXT TO THE SIDE ROLLER BRACKET. THE HORIZONTAL STABILIZER WAS REMOVED AND THE ROLLER RIB ASSY WAS REPLACED IAW THE SRM. THE HORIZONTAL STABILIZER WAS REINSTALLED AND THE AIRCRAFT WAS RETURNED TO SERVICE.