B737 Next Generation Undifferentiated
Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 245; Flight Crew Type 6397
Workload; Situational Awareness; Physiological - Other; Distraction; Time Pressure
Aircraft Equipment Problem Less Severe; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Flight Crew FLC complied w / Automation / Advisory; Flight Crew Landed in Emergency Condition; Flight Crew Requested ATC Assistance / Clarification; Flight Crew Returned To Departure Airport; Flight Crew Took Evasive Action; General Maintenance Action
Aircraft
Leveling at FL340 we smelled a burning odor coming from first class. In the next few seconds the odor intensified and smoke filled the cockpit. All three crewmembers donned our oxygen masks and initiated our emergency procedures. I was the Pilot Monitoring and was notified by the First Class Flight Attendant that there was a large amount of smoke from the oven. I told her to pull the circuit breakers and to let me know if the smoke subsided. I told my First Officer to immediately return back to the departure airport and to let ATC know what our situation was. I ran the QRH for smoke in the cockpit and smoke removal. During that time the smoke subsided; but there was still a pungent odor coming from first class. We were given emergency priority into the airport. We landed without further incident. The fire department rescue inspected our oven and found hot spots; but no further immediate fire. We taxied to the gate without further incident.
I was directed to fly the airplane and handle ATC while the Captain ran checklists and coordinated with the flight attendants. I communicated with ATC that there was smoke in the cockpit and we were returning to the departure airport. After running the emergency checklist and descending; the smoke abated. We continued and landed overweight.
B737NG flight crew reported diverting after a fire started in the forward galley oven.