This side-mission can be found by entering the Normandy’s galaxy map and having the ship travel to the following location:
Sigurd’s Cradle > Skepsis > Franklin.
Scan the planet and locate the anomoly to begin the mission.
After entering the base, move forward and turn left as you reach the hallway. Eliminate the Batarian terrorists occupying the area before doing a quick 180 degree turn and bypassing the locked door in the distance.
Upon entering the room, take cover behind the crates in front and eliminate any enemies you see in front or to the right. Once it is safe to do so, drop down and continue up the stairs to the right to a balcony type area. Cruise to the opposite side of the room from where you entered and eliminate the enemies in the room below (note the central platform has a box of Power Cells if you require them). Continue down the steps here and look in the far right corner for a canister of Refined Palladium. Take the next set of stairs down and bypass the door here.
Enter the next room and defeat the Batarian Commander at the far side of the area before racing over to hit the console. You will need to make a decision here. Afterwards, check the wall safe to the right and end the mission.