As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF ROLL OUT, FLIGHT CREW OBSERVED LT ENGINE FIRE BOTTLE DISCHARGED ANNUN. ILLUMINATED. CREW ABORTED TAKE OFF AND RETURNED TO THE GATE WITH NO FURTHER INCIDENT. THE BOTTLE WAS SAID THAT IT WAS NOT DISCHARGED. REMOVED AND REPLACED 173 PC BOARD FIRE DETECTION. OPS CK GOOD. NO FURTHER DEFECTS NOTED. P/N 129-364037-1 S/N 380-F-94.