THE LOSS OF POWER ON THE RIGHT ENGINE DURING INITIAL CLIMB AFTER TAKEOFF DUE TO INADEQUATE MAINTENANCE INSPECTION AND ADJUSTMENT OF THE ENGINE BY COMPANY MAINTENANCE PERSONNEL, AND THE LOSS OF CONTROL BY THE PILOT DUE TO HIS FAILURE TO PROPERLY CONFIGURE THE AIRCRAFT AND PERFORM A PROPER SINGLE ENGINE CLIMB MANEUVER, AND HIS FAILURE TO MAINTAIN SINGLE ENGINE CLIMB AIRSPEED. A FACTOR RELATING TO THE ACCIDENT WAS THE DARK NIGHT LIGHT CONDITIONS.