As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE SERVICE WITH HORIZONTAL STABILIZER REMOVED, FOUND A CRACK IN THE UPPER LONGERON AT THE HORIZONTAL STABILZIER FORWARD ATTACH POINT. THIS LOCATION CANNOT BE SEEN DURING NORMAL INSPECTION PROCEDURES WITH HORIZONTAL STABILIZER INSTALLED. NO DEFECT WAS FOUND IN THE LOCATION DEPICTED IN SB 300-2-95. SUBMITTER RECOMMENDED REMOVING HORIZONTAL TO INSPECT FOR CRACKS.