What was found
ON DESCENT AT FLIGHT IDLE, MUSKY SMELL / ODOR FOR ABOUT A MINUTE, WENT AWAY WHEN TAKEN OUT OF IDLE. NO NOTICE OF SMELL AFTER LANDING / TAXI. TRANSFERED TO NRWC # 676-MIA-03291.-C/A-PERFORMED INSPECTION OF L/H AND R/H ENGINES IAW RRMM 72-00-00-200-802. PERFORMED ENGINE RUNS ON L/H AND R/H ENGINES IAW RRMM 72-00-00 AND USING ETN EM-72-034, ENGINE ODOR EVENT TROUBLESHOOTING SUPPLEMENT. REMOVED CABIN FLOOR PANELS AND INSPECTED AIR CONDITIONING DUCTS FOR DAMAGE. NO DEFECTS NOTED. PERFORMED INSPECTION OF L/H AND R/H ENGINES IAW RRMM 72-00-00-200-802. PERFORMED ENGINE RUNS ON L/H AND R/H ENGINES IAW RRMM 72-00-00 AND USING ETN EM-72-034, ENGINE ODOR EVENT TROUBLESHOOTING SUPPLEMENT. REMOVED CABIN FLOOR PANELS AND INSPECTED AIR CONDITIONING DUCTS FOR DAMAGE. NO DEFECTS NOTED. PERFORMED BORESCOPE OF L/H & R/H COOL FRONT SUMP AREA FOR OIL INDICATION I.A.W. RR MM 72-30-00-200-803. NO OIL INDICATIONS FOUND AT THIS TIME. REINSTALLED CABIN FLOOR PANEL 251BF IAW AMM 53-01-02.