As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL CREW REPORTED RT ENG CONSTANT SPEED DRIVE OIL PRESS LOW LIGHT CAME ON & RT GEN TRIPPED OFF. EMERGENCY DECLARED FLIGHT RETURNED STL LANDED WITHOUT INCIDENT. DEFERRED RT ENG GEN INOPERATIVE IAW MEL 24-01A. FLIGHT CONTINUED TO DESTINATION. REPLACED RT CONSTANT SPEED DRIVE AT DFW ON 03/20/2014. SYS GND CHECKED NORMAL OPERATION CLOSED.