What was found
DURING DESCENT, THE RT ENGINE AUTOMATICALLY SHUTDOWN AND FEATHERED. THE CREW ATTEMPTED TO RESTART THE RT ENGINE BUT WAS UNSUCCESSFUL. THE QRH WAS COMPLIED WITH AN AN EMERGENCY WAS DECLARED. A SINGLE ENGINE LANDING WAS PERFORMED SAFELY. REVEALED THAT THE EEC WAS FAULTY. FOLLOWING REPLACED THE EEC, THE ENGINE PASSED OVERHAUL LEVEL PERFORMANCE TESTING. OPS CHECK GOOD. THE ENGINE WAS RETURNED TO SERVICE.