What was found
(CAN) A/C DEPARTED AIRPORT, 5 MINUTES AFTER TAKEOFF THE LT GENERATOR ANNUNCIATOR ILLUMINATED & CREW REPORTED SMELLING A STRANGE BURNING ODOUR. THEY TURNED A ROUND RETURNED TO AIRPORT. AN UNEVENTFUL LANDING WAS MADE & A/C SENT TO HANGAR. THE FLOOR BOARDS WERE LIFTED & THE ODOUR INCREASED. THE LT GENERATOR CONTROL UNIT WAS FOUND TO BE THE CAUSE, IT WAS REPLACED. THE LT START/GEN WAS ALSO FOUND TO BE OVERHEATED & REPLACED. THE CIRCUIT BREAKER FOR THE SYSTEM WAS FOUND POPPED BUT OBVIOUSLY TOO LATE. IT WAS RESET & THE SYSTEM TESTED WITH NO FURTHER FAULTS.