What was found
SMOKE DETECTOR IN THE NR FOUR LAVATORY WENT OFF FOR NO APPARENT REASON DURING FLIGHT. BLEW DUST OUT OF SMOKE DETECTOR AND UNIT TESTED GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SMOKE DETECTOR IN THE NR FOUR LAVATORY WENT OFF FOR NO APPARENT REASON DURING FLIGHT. BLEW DUST OUT OF SMOKE DETECTOR AND UNIT TESTED GOOD.