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 THE RT IB HORIZONTAL STABILIZER ROLLER RIB STRUCTURE WAS FOUND CRACKED. DETAILED INSPECTION INSTRUCTIONS OF THIS AREA ARE OUTLINED IN COMMUNIQUÉ' NR 70. THE FORWARD RIB ASSEMBLY ON THE RT HORIZONTAL STABILIZER WAS REPLACED IAW THE STRUCTURAL REPAIR MANUAL. THE AIRCRAFT WAS RETURNED TO SERVICE.