As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GIG - CAPTAIN REPORTED FLAP INDICATION FAULT DURING FLIGHT. EMERGENCY DECLARED RETURNED GIG LANDED WITHOUT INCIDENT. FOUND LEFT INTEGRATED DRIVE GENERATOR PHASE LEAD BURNT T2 AND T3. REPLACED LEFT ENGINE INTEGRATED DRIVE GENERATOR AND BUS POWER CONTROL UNIT. SYSTEM GROUND CHECK NORMAL OPERATION.