As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3236 DISC: ON FINAL DESC INTO YYZ CAPT NOTICED DIRTY SOCK ODOR. AFTER SWITCHING TO APU BLEED ODOR BEGAN DISSIPATING, BUT OTHER CREW MEMBERS AND AGENT NOTED SMELL EVEN UP TP 30 MINUTES LATER. C/A: ISOLATED SMELL TO BE APU CONTAMINATION. SEE LOG 5931641 FOR APU DEFER. CW AMDS CARD 0550-2002 & ECS DECONTAMINATION IAW AMDS 2100-2005. SMELL NO LONGER PRESENT. ALL NO GO ODI PROCEDURES C/W. (LP: 5931640)