What was found
AIRCRAFT GROUNDED: ON DESCENT, FLT ATTS REPORTED A STRONG ODOR IN AFT HALF OF CABIN. LIKENED TO ODOR OF EXHAUST. IT DISSIPATED AFTER LANDING. NO ODORS DETECTED IN FLT DECK OR FRWD HALF OF CABIN. MAINT REPLACED FCU IAW AMM 49-32-11. THE LUBE MODULE REPLACED IAW AMM 49-91-45, AALA202608124014. APU GEARBOX VENT TUBE WAS REPLACED IAW AMM 49-26-55 AALA202608129232 & AIR OIL SEPARATOR REPLACED IAW AMM 49-26-54, AALA202608127582. DECONTAMINATION OF ECS ACCOMPLISHED IAW JOB CARD 26L00021014. NO LEAKS OR ODORS NOTED.