As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(REF NR: 05-086) ON APPROACH, CREW RECEIVED A LT THRUST REVERSER UNLOCKED MESSAGE WHEN THE THRUST REVERSERS WERE ARMED. FLIGHT CREW DECLARED AN EMERGENCY AND COMPLETED THE MEMORY AND QRH ITEMS. AN OTHERWISE UNEVENTFUL APPROACH AND LANDING WITHOUT THRUST REVERSERS WAS MADE. MAINTENANCE RIGGED THE THRUST REVERSER AND ADJUSTED THE STOW SWITCH. (K)