What was found
DURING AIRCRAFT C-CHECK IN GSO (GREENSBORO, NORTH CAROLINA), HAECO MAINTENANCE DISCOVERED LIGHTNING STRIKE DAMAGE AND PREVIOUS BLENDOUT REPAIRS ON THE RIGHT HAND / LEFT HAND TAILCONE SKIN. SEE FIGURE 1 FOR DETAILS. THE DAMAGE WAS EVALUATED PER REF /C/ AND FOUND TO BE BEYOND PUBLISHED LIMITS. THE SKIN IS MADE FROM 321 ANNEALED CRES X 0.025” PER REF /B/. THE TAILCONE ASSEMBLY IS CLASSIFIED AS SECONDARY STRUCTURE PER REF /A/. HAECO ENGINEERING CONTACTED FLIGHT VEHICLES CONSULTING INC. REQUESTING FURTHER EVALUATION AND REPAIR APPROVAL. REPAIRED PER ABX-REA-5385-65044-00