The top and bottom cowlings of a Rans S6 microlight needed quite a bit of re-building after a prop blade parted company with the hub just on take-off. For a brief moment, the engine thrashed on its mountings and did lots of damage. The area behind the spinner was smashed and the cowling mounting holes where torn.
I carefully grafted in new carbon and repaired the cracks, taking care not to increase the laminate thickness. The cowling mounting holes were reinforced with alloy inserts. Since a different type of engine was being fitted a few changes were made to oil inspection flap, exhaust pipe cutaway, etc.