pf2e.fyi
From Pathfinder #178: Punks in a Powder Keg, which isn't enabled.

Repeater Crossbow Trap

COMPLEX HAZARD 5
Stealth +13 (trained)
Description A pressure plate in the hallway floor releases a latch, causing a ceiling panel to drop down. A +1 striking heavy crossbow contained in a steel box sprays bolts at any creatures in the hallway.

Disable DC 20 Thievery (Expert) or DC 20 Crafting (Trained) to disengage the reloading mechanism; the trap can also be disabled by the switch in area F2

AC 22; Fort +15, Ref +9
Hardness 12, HP 50 (BT 25); Immunities critical hits, precision

Auto-Bolter
Trigger An object or creature weighing at least 25 pounds steps on the pressure plate at the south end of the hallway

Effect A +1 striking heavy crossbow encased in a steel box drops from the ceiling and fires. The repeater crossbow trap Strikes a random creature in the hallway. The trap then rolls initiative.
Melee Heavy Crossbow +16 (agile, reload 2), Damage 2d10+4 piercing
Routine (3 actions) The repeater crossbow trap reloads (2 actions) then Strikes a random creature in the hallway.
Reset The trap runs out of ammo after it fires 5 bolts; it must be manually reloaded.
Pathfinder #178: Punks in a Powder KegOGL