As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - FLIGHT 2101 - LAVATORY SMOKE DETECTOR GOES OFF INTERMITTENTLY IN FLIGHT. MAINTENANCE PLACED ON MEL 26-4. AIRCRAFT RETURNED TO SERVICE. MEL CLEARED ON 3/31 BY CONNECTING THE PINS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.