As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 410 INSIDE BAD WEATHER CONDITIONS WITH ENGINE ANTI-ICE ON STRONG BURNING ODOR. WITH NO TURBULENCE ENGINE ANTI-ICE ON. NO ODOR WAS DETECTED. IAW AMM 30-21-48 PB 601 DUCTS- ANTI ICE, ENGINE - INSPECTION CHECK WERE ACCOMPLISHED IN LT AND RT ENGINES AND WERE FOUND IN GOOD CONDITION.