What was found
(CAN) AILERON REMOVED FOR SKIN CRACKING ON UPPER AFT SKIN OF OTBD HINGE. FURTHER INVESTIGATION REVEALED SEVERE CRACK IN THE SPAR WEB AS WELL ON THE UPPER HINGE BRACKET. THE RIB DIRECTLY BEHIND THE HINGE POINT WAS ALSO FOUND CRACKED. THE CRACK IN THE STRINGER EXTENDS ACROSS THE STRINGER, SEVERING IT IN TWO. FURTHER INSPECTION HAS FOUND THE SPAR WEB AT THE CENTER HINGE ATTACH POINT WAS ALSO CRACKED NEAR THE LOWER RADIUS. CAUSE UNKNOWN AT THIS TIME, SEE ATTACHMENTS.