As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHORTLY AFTER T/O HAD AN INDICATION OF LEFT ENGINE FIRE WARNING. RAN QRH PROCEDURE. NUMBER 1 ENGINE WAS SHUT DOWN INFLIGHT AND THE FIRE HANDLE WAS PULLED. NO BOTTLES WERE FIRED. FOUND BURN EVIDENCE AT NR 21 FUEL NOZZLE. REPLACED ALL NOZZLES AND MANIFOLDS.