As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW NOTED SPARKS COMING OFF RT INTAKE LOWER DUCT AND A BURNED ELECTRICAL ODOR IN THE CABIN. MAINTENANCE CONFIRMED THAT THE RT LOWER DUCT HAS BURN MARKS. REPLACED LOWER DUCT IAW AMM CHAP 30. OPS CHECK GOOD. PN OFF/ON NH24668-169. S/N OFF L291001, S/N ON L291153.