What was found
SMOKE AFT LAV WARN MSG APPEARED IN FLT WITH ELECTRICAL SMOKE. PERFORMED FIM TASK 26-16-00. INSPECTED WIRE BEHIND LIGHT LENS IAW AMM 25-42-06 NO DEFECTS NOTED. INSPECTED TEMP INDICATOR ON LAVITORY WASTE DOOR IAW AMM 26-26-03 NO TEMP INDICATION. OK RAN NR 1 AND NR 2 PACKS IAW AMM 21-51-06. FOR 40 MIN COULD NOT REPLICATE. PERFORMED OPS CHECK OF SMOKE DETECTION SYSTEM. OPS CHECK GOOD IAW AMM 26-16-00. A/C OK FOR SERVICE.