As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE FIRE DETECTOR FAIL AND E1 & E2 SHORT DISPATCH BEFORE TAKEOFF. ABORTED TAKEOFF. PERFORMED OPERATIONAL TEST OF NR 1 AND NR 2 ENGINES AND RESET E1 AND E2 FADECS. OPS CHECKED GOOD. NR 2- E1 FIRE DETECTOR FAIL ON TAKEOFF. ABORT TAKEOFF. INSPECTED E1 FIRE LOOP. FOUND LOOSE CONNECTIONS. RE-SECURED BOTH CONNECTIONS AND OPS CHECKED GOOD. NR 3- E1 FIRE DETECT FAIL. REMOVED AND REPLACED E1 FIRE CONTROL MODULE. OPS CHECK GOOD. PERFORMED TEST FLIGHT AND TEST FLIGHT WAS SATIFACTORY.