As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL BURNING SMELL IN FLIGHT. NO SMOKE DETECTED. DISSIPATED BEFORE DESCENT. ACCOMPLISHED INSPECTION OF ACFT IAW FIM 21-00-01. NO EVIDENCE OF SMOKE DETECTED DURING EPR PWR RUN. NO ELECTRICAL SMELL NOTED. COMPLIED WITH CONDITIONAL INSPECTION YAW B757 AM 05-51-56. ACT RETURNED TO SERVICE.