Working on the very diverse fleet that British Airways deploys on a daily basis requires an ability to read and understand the technical manuals and blueprints for every different aircraft in the fleet. For this question, your interviewer will be looking to hear that you do have experience in utilizing complex design manuals and blueprints to help in solving problems with the aircraft you have worked on in the past. As you answer, try to demonstrate your technical knowledge and overall literacy for reading and diagnosing issues and fixes by talking about exact times that you've used these to help in your work in the past.