As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DCA/LGA - FLT 6411 - AT 3,000 FEET ON DESCENT, NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED AND COCKPIT BELL SOUNDED. RETARDED THROTTLE AND LIGHT EXTINGUISHED. FOUND CSD EJECTOR PIPE GASKET AND 8TH STAGE CHECK VALVE GASKET BLOWN, REPLACED GASKETS. FOUND SEAL ON RIGHT HAND IGNITER PLUG MISSING, INSTALLED NEW SEAL. RAN NR 1 ENGINE AND LEAKED CHECK. FIRE WARNING SYSTEM OPERATIONAL CHECK PER MM 26-21-0. (X)