As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AVIONICS COMPARTMENT DOOR WARNING LIGHT ILLUMINATED AT ROTATION. LOUD WIND NOISE IN AIRCRAFT AND AIRCRAFT WOULD NOT PRESSURIZE. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENMANCE CLOSED AND LATCHED DOOR. OPERATIONAL CHECK OK.