As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AIRCRAFT DESCENT AT 30000 FT, ENGINE NR 3, NR 4 FLAMED OUT WHILE ENCOUNTERING HEAVY RAIN AND MODERATE TURBULENCE. BOTH ENGINES WERE BACK TO NORMAL AFTER RESTART. THIS CASE IS BEEN DETERMINED AS WEATHER CAUSED IFSD (IN-FLIGHT SHUT DONE) AT OCT/2004. MFG IS GOING TO REVISE THE FADEC VBV SCHEDULE TO OPEN VBV TO PREVENT SEPARATED ICE FROM GETTING INTO HPC/COMBUSTOR AT 1Q/2005.