As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCREPANCY: REFERENCE LP279524 #1 WHEN APU BLEED WAS USED FOR PACK 1&2 DIRTY SOCK SMELL WAS NOTED THROUGHTOUT WHOLE AC. CORRECTIVE ACTION: PERFORMED INSPECTION OF CABIN ODOR REF 05-50-810-085-A ISOLATED ODOR TO APU INSPECTED APU PER AMM 49-00-00-200-811-A PLACED APU ON MEL 49-10-01A C/N 1184122 DD 7-20-22 WITH MCC AB 434922 PLACARDS INSTALLED MX ACTIONS C/W