As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAT - INFLIGHT DFW-MEX. CREW REPORTED LEFT ENGINE GENERATOR FAILED AND AUXILIARY POWER UNIT FAULTED. EMERGENCY DECLARED FLIGHT DIVERTED SAT LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED AUXILIARY POWER UNIT, LEFT ENGINE GENERATOR AND CONSTANT SPEED DRIVE. SYSTEM GROUND CHECK NORMAL OPERATION.