Flight Crew Air Transport Pilot (ATP)
Aircraft Equipment Problem Critical
Aircraft Equipment Problem Dissipated; General Declared Emergency
Aircraft
During approach aircraft right engine rolled back with Engine Failure EICAS messages. Declared an emergency with Tower and requested CFR equipment. Began Right Engine Failure checklist; but engine restarted and remained normal throughout remainder of approach and landing. After landing; taxied to gate with emergency equipment following.
B777 Captain reports right engine rolling back with Engine Failure EICAS message during approach. An emergency is declared; but before the engine failure checklist can be accomplished the engine restarts and is normal for the remainder of the approach and landing.