Cessna 310/T310C
Flight Crew Commercial; Flight Crew Multiengine; Flight Crew Instrument
Flight Crew Last 90 Days 65; Flight Crew Total 700; Flight Crew Type 165
Aircraft Equipment Problem Critical; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Aircraft Aircraft Damaged; Flight Crew Landed in Emergency Condition; Flight Crew Returned To Departure Airport; General Maintenance Action
Aircraft
Approximately 10 - 15 minutes after departure; [I] started hearing engine backfire plus smoke coming into the cabin. Requested priority handling and returned to land at ZZZ on XXL. Right alt smelt of burnt rubber/smoke- no irregular voltage/amp indication in cockpit. Waiting for mechanical inspection.
C310R pilot reported engine problems and smoke in cabin after takeoff resulting in a return to the departure airport.