As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER SHUTDOWN NOTICED FIRE IN TAILPIPE OF NR 1 ENGINE. DRY MOTORED ENG 3 TIMES TO EXTINGUISH FIRE. FIRE LASTED APPROX 15 MINS INTERMITTENLY DURING MOTORING. *S/D* FOUND OIL LEAKING PAST NR 5 BEARING CARBON SEAL INTO EXHAUST CASE GASPATH. REPLACED CARBON SEAL ASSEMBLY. SHOP MANUAL LIMITS FOR CARBON SEAL BEING REVISED BY MANUFACTURER.