The Reaper Code Fragments Citadel mission becomes available after Priority: Citadel 2.
To start it, you must go to the Huerta Memorial Hospital where you will hear a conversation between two Asari characters.
When to start
After Priority: Perseus Veil
Description
An Asari war strategist needs fragments of Reaper code to predict enemy movements.
Find a Reaper code fragment and deliver it to her at the Citadel embassy.
Reward
Asari Second Fleet War Asset
Walkthrough
The code fragments required to complete this mission can be found during the Rannoch: Geth Fighter Squadrons side-mission.
Or, if you miss them, you can try purchasing the items from the Spectre Requisitions Terminal in the Citadel Embassies.
Next ME 3 Citadel mission: Inspirational Stories.
