In the ground staff wage dispute at Germany’s flagship carrier Lufthansa, technical staff began a three-day strike on Wednesday morning. The strike began as planned at 6:00 am (0500 GMT), said Marvin Reschinsky, chief negotiator for the Verdi union. Passenger flights will not be affected this time. According to Verdi, employees and trainees from Lufthansa Technik, Lufthansa Aviation Training and Lufthansa Technical Training are taking part in the nationwide action. Lufthansa says it assumes that the strike will have “no major impact on the Lufthansa flight schedule” on Wednesday. Passengers sh…