Aircraft engine EEC ground maintenance equipment

The invention relates to ground maintenance equipment for an EEC of an aircraft engine. The ground maintenance equipment comprises a packaging box, and a processing device, a signal switching box and a cable which are arranged in the packaging box, the processing device is an upper computer, the cable is used for connecting the upper computer, the signal switching box and an aircraft engine, and one end of the signal switching box is connected with an EEC and a DCU of the aircraft engine and used for collecting EEC and DCU data; and the upper computer is connected with the other end of the signal switching box through a cable, and is used for monitoring the operation data of the EEC and the DCU of the aircraft engine in real time and modifying the operation data of the DCU. The in-situ detection method is used for carrying out in-situ detection on the aircraft engine, and the in-situ detection method has important significance in guaranteeing the reliability of the engine, improving the performance of the eng