The cowling is around the engine fan and core sections. It has these parts: - Inlet cowl - left fan cowl - Right fan cowl - Forward fairing - Left reverser duct cowl - Right reverser duct cowl.
These are the accesses/openings on the fan cowls: - Oil tank and pressure relief panel - Starter air outlet - Generator cooling air outlet - Start valve manual operation opening - CSD servicing panel - Part power rig pin location.