Search for Major Aiva's mementos in the apartments northwest of The Dam

How do you complete "Search for Major Aiva's mementos in the apartments northwest of The Dam"?

This is step 1 of 2 in The Major’s Footlocker, given by Tianwen. It is completed on Dam Battlegrounds. The exact location is marked on the Dam Battlegrounds map.

• The Major’s Footlocker
• Dam Battlegrounds

What are the other objectives in The Major’s Footlocker?

The Major’s Footlocker has 2 objectives in total: Search for Major Aiva's mementos in the apartments northwest of The Dam and Deliver Major Aiva's Mementos to Tian Wen.