What was found
ON FLIGHT 2741 THE FLIGHT ATTENDANT NOTIFIED THE CREW OF SMOKE IN THE CABIN. THE CREW PERFORMED AN EMERGENCY DESCENT AND TURNED OFF PACK 2. PACK 1 ALREADY DEFERRED. THE SMOKE STARTED TO DISSIPATE. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. TROUBLESHOT IAW FIM 21-20-00-810-801-A REFERENCE TO LOG PAGE 2830534 ITEM 1 FOR DISCREPANCY FOUND. GROUND MAINTENANCE RAN ENGINE 1 AND ENGINE 2 IAW AMM 71-00-01, NO FURTHER SMOKE NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.