Beepsky's been going around in circles near research, because there's no bot navigation beacon for the engine, while the QM navigation beacon has that set as the next patrol.
What I assume to be his intended route:
sec to sec_podbay, sec_podbay to morgue, morgue to medbay, medbay to medbay_lobby, medbay_lobby to crew_lounge, crew_lounge to bathroom, bathroom to quarters_port, quarters_port to podbay, podbay to customs, customs to aviary, aviary to command quarters, command quarters to escape, escape to quarters_starboard, quarters_starboard to bridge, bridge to arrivals, arrivals to research, research to depot, depot to qm, qm to engine, engine to sec