As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS SMOKE CREW REST LOWER. ALSO SMOKE DETECTOR ACTIVATED LOWER CREW REST, NO SMOKE, NO HEAT IN AREA. RESET AFTER 3 MINUTES BY ITSELF. IAW THE PURSER THERE WAS NO SMOKE, NO ODOR, NO ABNORMAL HEAT IN THE FLIGHT ATTENDANT CREW REST. SMOKE DET MAT OPERATIONAL TEST IAW AMM TASK 26-14-00-710-802.