What was found
ON DESCENT, A LARGE RUMBLING FELT AND HEARD AS POWER WAS REDUCED CONTINUING UNTIL GEAR WAS FULLY EXTENDED. PERFORMED A FLY-BY OF THE TOWER, AND LANDED WITHOUT INCIDENT. MX INSPECTED AIRCRAFT AND FOUND A LOOSE BONDING JUMPER, AND AIRCRAFT WAS APPROVED FOR A TEST FLIGHT. TEST FLIGHT WAS UNSATISFACTORY, AND ANOTHER FLY-BY OF THE TOWER CONFIRMED, NOSE LANDING GEAR DOORS REMAINED OPEN. THE AIRCRAFT LANDED AT RSW WITHOUT INCIDENT, WHERE THE AIRCRAFT WAS INSPECTED AND APPROVED FOR A FERRY FLIGHT TO IAH. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE NLG DOOR SEQUENCING PROX SWITCH, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.