As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRE BELL SOUNDED DURING TAXI OUT AND WILL NOT SILENCE. NO OTHER WARNING LIGHTS ILLUMINATED. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. REMOVED AND REPLACED MODULE ASSY. AURAL WARNING CARD PER B767 AMM 26-10-01. NO FIRE BELLS SOUNDING. OPS CHECK GOOD AT THIS TIME. AIRCRAFT RELEASED FOR FLIGHT.