As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 ENGINE FIRE WARNING SOUNDED IN FLIGHT. DISCHARGED LEFT FIRE BOTTLE. INSPECTED NR 3 ENGINE FOR FIRE DAMAGE, NONE FOUND. REPLACED NR 3 ANTI-ICE VALVE, 13TH STAGE BLEED DUCT AND ASSOCIATED CLAMPS AND SEALS. REPLACED LEFT FIRE BOTTLE. (M)