As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DESCENDING THROUGH 10,000 FEET AT IDLE, FLIGHT ATTENDANT CALLED INDICATED SMELL IN CABIN LIKE DUST ON OILS. WHILE PERFORMING J/C 08L00021001 FOUND PACK 1 TO HAVE STRONG MUSTY AND OILY SMELL. ACCOMPLISHED JOB CARD 08L00021001. NO SMELL NOTED EITHER IN HOT OR COLD, NO FAULT FOUND.