What was found
XNA - FLT 4168 - FOUND CREW RECEIVED AFT LAV SMOKE MESSAGE ON EICAS ON TAKEOFF ROLL. REPLACED AFT LAV SMOKE DETECTOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
XNA - FLT 4168 - FOUND CREW RECEIVED AFT LAV SMOKE MESSAGE ON EICAS ON TAKEOFF ROLL. REPLACED AFT LAV SMOKE DETECTOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)