What was found
WHILE TROUBLESHOOTING LT WING FUEL LEAK, FOUND A 40-INCH CRACK IN LT SPAR AT CHANNEL OF UPPER SPAR CAP. FURTHER INVESTIGATION REVEALED THIS AIRCRAFT HAD BEEN SUBJECT TO A HARD LANDING. PHASE 1 HARD LANDING INSPECTION WAS COMPLETED ON THE FUSELAGE AND A PHASE 2 HARD LANDING INSPECTION WAS COMPLETED ON THE WINGS. SUBMITTER RECOMMENDS INSPECTION OF WING SPARS IN CONJUNCTION WITH HARD LANDING INSPECTION AND IF CRACK IS SUSPECTED, PERFORM NDI.