As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK APPROXIMATELY 1.1 X 0.6 INCH LENGTH FOUND ON THE RT UPPER LOBE DOUBLER, STA 2521 DURING HFEC INSPECTION. CARRIED OUT STA 2403.6 TO STA 2524.4EMPENNAGE UPPER LOBE DOUBLER SB747-53A2651 REV.1 AS PER PRI 499106-14AD REV. 0, 1, 2 AND 3. DATED 29FEB12.