As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 3001 - FUMES/DE - ON APPROACH FLIGHT CREW EXPERIENCED FUMES IN COCKPIT AFTER TURNING ANTI-ICE ON. OXYGEN MASKS DONNED AND EMERGENCY DECLARED. CORRECTIVE ACTION: FOUND APU INLET CONTAMINATED WITH DE-ICE FLUID. CLEANED RESIDUAL FLUID FROM APU INLET AND PERFORMED ECS DECONTAMINATION. NO SMELL PRESENT. (LP 6011518)