What was found
LAV SMOKE ON DECENT. EXECUTED QRH PROCEDURE AND LANDED AS SOON AS POSSIBLE. FLIGHT 9850 - FILED OPEN THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 20724838 WITH THE FOLLOWING CORRECTIVE ACTION: "REFER TO CAMP ITEMS 20727834, 20727837, 20727839, 20727840, 20727843, 20727850, 20727858, 20727865, 20728173 AND 20728209 FOR CORRECTIVE ACTIONS. AIRCRAFT REQUIRES AN INFLIGHT FUNTIONAL CHECK FLIGHT. SEE CP20758979-1"