The objective simply says "Return to Sorine Jurard." When this happens, the "Ancient Technology" quest will start and the entry will appear on the quest journal, but without any description.
This quest will repeat six times, and each instance will grant a single upgrade or ammunition type.
She will also teach the Dragonborn how to craft the item in question, provided the corresponding Smithing perk has been unlocked. Once the schematic has been obtained, deliver it to Sorine in return for a leveled piece of enchanted armor or weapon. A Dwarven haul note alongside various pieces of Dwemer metal may also be in the chest. The schematic is always located inside the boss level chest at the radiant location, sometimes guarded by a boss level enemy, such as a bandit chief. The chosen location can also be a part of another DLC. She asks the Dragonborn to retrieve it from a radiant location, typically a Dwemer Ruin or bandit stronghold. Speak to Sorine Jurard to begin the quest and she will explain that she has located a schematic that can provide a new upgrade or ammunition type for the crossbow. To start this quest, " A New Order" must have been completed. "Sorine needs help with her project to improve our crossbows.