As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR RMCN - MAJOR REPAIR - DURING C-17 CHECK FOUND GRAPHITE FIBER DELAMINATED OFF THE UPPER HONEYCOMB SURFACE PANEL OF THE RT ELEVATOR BETWEEN ELEV STA 159.0 AND ELEV STA 169.0. MAINTENANCE PERFORMED BOND REPAIR IAW B737-300 SRM 51-70-04 FIG 10.