Alcoa, truck 28. Truck 28, Alcoa. Alcoa, truck 28, AIQ, MDC is not responding. Alcoa, copy, AIQ. Alcoa, engine 29. Engine 29, Alcoa. We reset the fire alarm. There was no fire, false alarm. The system was left in trouble, and they're calling an alarm technician to come repair it. Alcoa, copy, AIQ.