As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED E2 FIREDET FAIL EICAS MESSAGE AFTER TAKEOFF. RETURN TO BASE AND EICAS MESSAGE EXTINGUISHED ON SHORT FINAL. MX TROUBLESHOT TO DAMAGED WIRE W102-1396-24 IN WIRE HARNESS 102. REPAIRED WIRE, OPS TESTED AIRCRAFT IN GROUND AND IN AIR CONFIG ALL OPS TESTS GOOD.