Battening Down is a quest in Arc Raiders, given by apollo, unlocked at level 1. It takes place on riven tides. Complete 3 objectives to finish it and collect the rewards.
Objectives
Photograph the cracks forming in the seawall
Sample the shoreline near the hotel beach
Fix the leaking oil pipe in the northeast
Potential Rewards
Riven Tides Hotel Keycard No. 1073x Smoke Grenade Trap