As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS ON DESCENT THRU 14000, FUME SMELL REPORTED BY CABIN AND COCKPIT CREW ODOR STILL PRESENT WHEN PARKED AT GATE. MAINTENANCE ACCOMPLISHED S.O.F. TROUBLESHOOTING CARDS 26L00021001, 26L00021002 AND ECS DECONTAMINATION CARD 26L00021004. REPLACED ORING PACKING ON APU SCAVENGE OIL TUBE IAW AMM 49-91-53. NO LEAKS AND NO ODORS.