What was found
AFTER TAKEOFF, THE FO'S AUDIO PANEL IS INOP. AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE REU, SYSTEM OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, THE FO'S AUDIO PANEL IS INOP. AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE REU, SYSTEM OPS CHECK GOOD.