As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT LAV SMOKE ALARM ACTIVATED IN FLIGHT, NO SMOKE IN LAVATORY. ALARM WAS TEMPORARILY SILENCED WHEN TEST SWITCH ACTIVATED, BUT THEN ALARM WAS CONSTANT. DEFERED RT LAVATORY IAW MEL 26-7 DMI NR 00548 CAT 'C' DUE 5-29-97. TRASH CHECKED AND DOOR LOCKED. REMOVED AND REPLACED SMOKE DETECTOR IAW DC9 MM 26-26. OPS CHECK GOOD. THIS CLEARS DMI NR 00548. (M)