What was found
SDF TO IAH - AFTER TAKEOFF, THE CREW RECEIVED A REV NR 1 UNLOCK MESSAGE ON EICAS, THE QRH WAS FOLLOWED AND THE AIRCRAFT RETURNED TO FIELD AND LANDED UNEVENTFULLY AT SDF. MAINTENANCE LOCKED OUT THE REVERSER AND PLACED IT ON MEL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SDF TO IAH - AFTER TAKEOFF, THE CREW RECEIVED A REV NR 1 UNLOCK MESSAGE ON EICAS, THE QRH WAS FOLLOWED AND THE AIRCRAFT RETURNED TO FIELD AND LANDED UNEVENTFULLY AT SDF. MAINTENANCE LOCKED OUT THE REVERSER AND PLACED IT ON MEL.