As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON SHUT DOWN A STRONG ODOR WAS PRESENT. SMELLED ACCURATE AND SLOWLY DISSIPATED. FOUND COKING ON RIGHT ENGINE BLEED DUCT BEHIND INBOARD SLATS, SUSPECT TO BE SOURCE OF FUMES. REMOVED AND REPLACED BOTH RESEARCH AIR FILTERS, PER A 373 AMM 21-25. NO ABNORMAL DEFECTS NOTED. TIGHTEN THE HYDRAULIC LINE SURROUNDING DUCT, NO LEAKS NOTED AT THIS TIME.