Narrative:

Engines #1 and #2 flame out during flight. On descent, occasional light turbulence, intermittent light precipitation at FL280, anti-ice selection on. At about FL15O, during a short period of moderate precipitation, several ead alerts appeared. Engine #1 RPM low, engine #2 RPM low electrical, air. It was noted that the egts on engines #1 and #2 were low (30 degrees). It was then apparent that engines #1 and #2 had flamed out, time XX02Z. Aircraft attitude normal, throttles idle, airspeed decelerating below 300 KTS, air temperature plus 3 degrees. At approximately 12000 ft in the clear, anti-ice off, ignition override was selected. Airspeed 260 KTS, throttles idle, air temperature plus 13 degrees. There was a normal restart at XX03Z. Flight completed to a normal landing. Supplemental information from acn 304362: descended from cruise altitude of FL360 for approach to nrt. Anti-ice on at FL280, entered clouds 1-2 mins later. Occasional light turbulence in descent, intermittent light precipitation in clouds. Callback conversation with reporter acn #304361 revealed the following information: the reporter is a captain on the md-11 for a major united states air carrier. After this incident, he was in a meeting with his air carrier, mcdonnell-douglas, and general electric. There he learned that the engine is susceptible to icing of the stators which are not anti-iced, only the dome and the cowl are anti-iced. Apparently the ice came off of the stators and 'snuffed the engines.' engine ignition comes on when engine anti-ice is turned on, but only for about 1 min. The engines flamed out quite some time after this. The aircraft was in the heavy rain for only about 5 seconds. The egt's were not 30 degrees lower than #3, they were showing only 30 degrees! 'The relight was so smooth it was embarrassing!' no one in the aircraft except for the 3 cockpit crew men knew that anything had happened. The aircraft was carefully inspected, but could not leave that night because of the normal curfew. It flew home the next day. The reporter understands that the B747-400 with the same engines has an automatic relight system that may be incorporated on his engines at some later date. There was no damage to either of the engines.

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Original NASA ASRS Text

Title: DOUBLE FLAMEOUT AND INSTANTANEOUS RELIGHT.

Narrative: ENGS #1 AND #2 FLAME OUT DURING FLT. ON DSCNT, OCCASIONAL LIGHT TURB, INTERMITTENT LIGHT PRECIPITATION AT FL280, ANTI-ICE SELECTION ON. AT ABOUT FL15O, DURING A SHORT PERIOD OF MODERATE PRECIPITATION, SEVERAL EAD ALERTS APPEARED. ENG #1 RPM LOW, ENG #2 RPM LOW ELECTRICAL, AIR. IT WAS NOTED THAT THE EGTS ON ENGS #1 AND #2 WERE LOW (30 DEGS). IT WAS THEN APPARENT THAT ENGS #1 AND #2 HAD FLAMED OUT, TIME XX02Z. ACFT ATTITUDE NORMAL, THROTTLES IDLE, AIRSPD DECELERATING BELOW 300 KTS, AIR TEMP PLUS 3 DEGS. AT APPROX 12000 FT IN THE CLR, ANTI-ICE OFF, IGNITION OVERRIDE WAS SELECTED. AIRSPD 260 KTS, THROTTLES IDLE, AIR TEMP PLUS 13 DEGS. THERE WAS A NORMAL RESTART AT XX03Z. FLT COMPLETED TO A NORMAL LNDG. SUPPLEMENTAL INFO FROM ACN 304362: DSNDED FROM CRUISE ALT OF FL360 FOR APCH TO NRT. ANTI-ICE ON AT FL280, ENTERED CLOUDS 1-2 MINS LATER. OCCASIONAL LIGHT TURB IN DSCNT, INTERMITTENT LIGHT PRECIPITATION IN CLOUDS. CALLBACK CONVERSATION WITH RPTR ACN #304361 REVEALED THE FOLLOWING INFO: THE RPTR IS A CAPT ON THE MD-11 FOR A MAJOR UNITED STATES ACR. AFTER THIS INCIDENT, HE WAS IN A MEETING WITH HIS ACR, MCDONNELL-DOUGLAS, AND GENERAL ELECTRIC. THERE HE LEARNED THAT THE ENG IS SUSCEPTIBLE TO ICING OF THE STATORS WHICH ARE NOT ANTI-ICED, ONLY THE DOME AND THE COWL ARE ANTI-ICED. APPARENTLY THE ICE CAME OFF OF THE STATORS AND 'SNUFFED THE ENGS.' ENG IGNITION COMES ON WHEN ENG ANTI-ICE IS TURNED ON, BUT ONLY FOR ABOUT 1 MIN. THE ENGS FLAMED OUT QUITE SOME TIME AFTER THIS. THE ACFT WAS IN THE HVY RAIN FOR ONLY ABOUT 5 SECONDS. THE EGT'S WERE NOT 30 DEGS LOWER THAN #3, THEY WERE SHOWING ONLY 30 DEGS! 'THE RELIGHT WAS SO SMOOTH IT WAS EMBARRASSING!' NO ONE IN THE ACFT EXCEPT FOR THE 3 COCKPIT CREW MEN KNEW THAT ANYTHING HAD HAPPENED. THE ACFT WAS CAREFULLY INSPECTED, BUT COULD NOT LEAVE THAT NIGHT BECAUSE OF THE NORMAL CURFEW. IT FLEW HOME THE NEXT DAY. THE RPTR UNDERSTANDS THAT THE B747-400 WITH THE SAME ENGS HAS AN AUTOMATIC RELIGHT SYS THAT MAY BE INCORPORATED ON HIS ENGS AT SOME LATER DATE. THERE WAS NO DAMAGE TO EITHER OF THE ENGS.

Data retrieved from NASA's ASRS site as of July 2007 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.