The captain replied with is that the mechanic, the engineer replied no it is the engineer. He replied oh what ever. The engineer competed his task and buzzed back.
Only Australia, NZ, India and Canada refer to aircraft techs as "engineers", I thought Technician was the US (mechanic certificate) and European qualification. Maybe he thought he was in the US or Europe?
Its a bit like US (also Canada and NZ) train drivers calling themselves engineers. In India the qualification is a Loco Pilot.