As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIRTY SOCK SMELL DESCENDING THROUGH 8K FEET. TURNED PACK 1 OFF SMELL WENT AWAY. F/A'S DID NOT REPORT FUMES-REF LP 3307543 PERFORMED DECONTAMINATION OF ECS IAW AMM 21-00-00 OPS CK GOOD SOURCE OF SMELL FOUND AS OIL LEAK. APU COMPARTMENT CONTAMINATED