As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DTW - FLT 3032 - AFTER TAKEOFF FROM DTW, THE LT AND RT BLEED CLOSED LIGHTS ILLUMINATED. THE CREW TRIED TO RESET THE BLEEDS WITHOUT POSITIVE RESULTS. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY. (X)