As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 9550 -DE- THE CREW RETURNED THE AIRCRAFT TO THE GATE DUE TO AN ENGINE FIRE INDICATION ON THE #1 ENGINE DURING TAXI OUT. CORRECTIVE ACTION: MAINTENANCE CONFIRMED IT TO BE AN INDICATION ONLY. NO FIRE. THE #1 ENGINE FDCU WAS REPLACED, THE #1 ENGINE EXHAUST VENT LOOPS A & B WERE REPLACED, AND THE GEARBOX LOOPS A & B WERE REPLACED. ENGINE RUNS SUCCESSFUL. (LP #4610148)