Originally Posted by
Vendee
Lifting 5 tonne engine and bolting it to the pylon is a relatively easy job. Connecting "a few tubes and wires" may also be quite easy but you haven't taken into account the subsequent functional tests on those systems, including EGR's.
Providing that the appropriate engine hoists are in place, remember the worldwide DC10 grounding follpwing a seriously fatal accident because operators had been changing engines with fork lifts.