What was found
DURING CRUISE AT FL 380, THE SMOKE ALARM SOUNDED IN THE CREW REST FACILITY WITH ASSOCIATED LAV SMOKE EAD ALERT. AFTER APPROXIMATELY ONE MINUTE THE ALARM AND ALERTS EXTINGUISHED. PACK NR 1 TEMP WENT TO 50 DEG WHILE 2 AND 3 AT 26 DEF F. CYCLED AIR CONTROLLER AND PACK 1 BACK TO 26 DEG F. ACC-1 NO CURRENT FAULTS. LAST FLT FAULTS RAM AIR DR ACT. ACC-1 RTS PASS. CLEAN AND RESEAT CRM SMOKE DET ELEC CONN. CRM SMOKE DETECTOR TEST PASS PER CRM SUPP M/M. RAN ENG PER PFHB AND PACK 1 TEMP NORMAL. NO ODOR NOTED IN COCKPIT OR CREW REST MODULE.