What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23)On a flight from cvg to sfo the aircraft was diverted to slc due to a fire indication on the #4 engine. Both fire bottles were discharged, the fire warning was still sounding, and emergency was declared and the flight was diverted to slc, and landed without further incident at 1340Z. Maintenance in slc looked at the aircraft. There was no sign of fire. A problem was found in the fire loop system. The fire loop was replaced and the fire bottles were changed and the aircraft was returned to serivce.
As the FAA filed it
(-23)ON A FLIGHT FROM CVG TO SFO THE AIRCRAFT WAS DIVERTED TO SLC DUE TO A FIRE INDICATION ON THE #4 ENGINE. BOTH FIRE BOTTLES WERE DISCHARGED, THE FIRE WARNING WAS STILL SOUNDING, AND EMERGENCY WAS DECLARED AND THE FLIGHT WAS DIVERTED TO SLC, AND LANDED WITHOUT FURTHER INCIDENT AT 1340Z. MAINTENANCE IN SLC LOOKED AT THE AIRCRAFT. THERE WAS NO SIGN OF FIRE. A PROBLEM WAS FOUND IN THE FIRE LOOP SYSTEM. THE FIRE LOOP WAS REPLACED AND THE FIRE BOTTLES WERE CHANGED AND THE AIRCRAFT WAS RETURNED TO SERIVCE.