Narrative:

On arrival into gso, a right thrust reverser unlocked caution message displayed. We were descending through 12000 ft. Thrust levers were just above idle. First officer completed memory items and QRH message did not go away. QRH directed us to land at nearest suitable airport. We declared an emergency and landed at gso uneventfully. Maintenance, dispatch, flight attendant and passenger were all advised. Callback conversation with reporter revealed the following information: the reporter stated that, when on the ground, maintenance checked the reverser for being locked in the forward thrust position and deferred the right reverser per the MEL and accomplished the special procedures.

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Original NASA ASRS Text

Title: A CANADAIR CL65 ON DSCNT AT 12000 FT DECLARED AN EMER DUE TO R REVERSER UNLOCK CAUTION MESSAGE. CAUSED BY FALSE WARNING.

Narrative: ON ARR INTO GSO, A R THRUST REVERSER UNLOCKED CAUTION MESSAGE DISPLAYED. WE WERE DSNDING THROUGH 12000 FT. THRUST LEVERS WERE JUST ABOVE IDLE. FO COMPLETED MEMORY ITEMS AND QRH MESSAGE DID NOT GO AWAY. QRH DIRECTED US TO LAND AT NEAREST SUITABLE ARPT. WE DECLARED AN EMER AND LANDED AT GSO UNEVENTFULLY. MAINT, DISPATCH, FLT ATTENDANT AND PAX WERE ALL ADVISED. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THAT, WHEN ON THE GND, MAINT CHKED THE REVERSER FOR BEING LOCKED IN THE FORWARD THRUST POS AND DEFERRED THE R REVERSER PER THE MEL AND ACCOMPLISHED THE SPECIAL PROCS.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.