Narrative:

I was notified during my break that captain needed me to proceed to the aft galley to determine the severity of some smoke coming out of one of the ovens. I immediately went aft and began to smell smoke about 10 rows from the back of the aircraft. As I entered the aft galley I immediately saw a flight attendant with a pbe on spraying halon into the oven. There was a lot of smoke and flames still evident when I first stepped into the galley. After depleting the first bottle I saw her use approximately two more solid blasts to extinguish the remaining fire with a new halon bottle.there was still a tremendous amount of acrid smoke in the galley and also in the aft portion of the cabin. I immediately proceeded back to the cockpit to report my findings to captain X. I explained what I had seen and that I thought the fire was out. I also explained the acrid smell and the amount of smoke still in the aft portion of the aircraft. The captain decided to declare an emergency and proceed to the nearest suitable airport. The entire cockpit crew completed all the applicable checklists and proceeded to the divert airport for an uneventful landing.

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Original NASA ASRS Text

Title: A B777's oven caught fire in flight; so a Flight Attendant extinguished the fire leaving a great deal of smoke. The Captain declared an emergency diverted to a nearby airport.

Narrative: I was notified during my break that Captain needed me to proceed to the aft galley to determine the severity of some smoke coming out of one of the ovens. I immediately went aft and began to smell smoke about 10 rows from the back of the aircraft. As I entered the aft galley I immediately saw a Flight Attendant with a PBE on spraying halon into the oven. There was a lot of smoke and flames still evident when I first stepped into the galley. After depleting the first bottle I saw her use approximately two more solid blasts to extinguish the remaining fire with a new halon bottle.There was still a tremendous amount of acrid smoke in the galley and also in the aft portion of the cabin. I immediately proceeded back to the cockpit to report my findings to Captain X. I explained what I had seen and that I thought the fire was out. I also explained the acrid smell and the amount of smoke still in the aft portion of the aircraft. The Captain decided to declare an emergency and proceed to the nearest suitable airport. The entire cockpit crew completed all the applicable checklists and proceeded to the divert airport for an uneventful landing.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.