As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: MULTIPLE WHAT APPEAR TO BE FALSE LAVATORY SMOKE ALARM FORWARD IN FLIGHT - MAINTENANCE ACCOMPLISHED TSM 26-17-00-810-804-A FOR LAVATORY D SMOKE DETECTOR FAULT CODE 26-17-15 - MAINTENANCE PERFORMED LAVATORY D SMOKE DETECTOR TEST PER AMM 26-17-15 WITH NO ISSUES NOTED