As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG FUMES IN COCKPIT & CABIN AFTER SHUTDOWN AND PARKED AT THE GATE APU OFF AND STILL STRONG SMELL, SUSPECT JETWAY AIR IS BAD. FOUND GROUND AIR HOUSE IS CONTAMINATED AND SENDING BAD AIR TO A/ C. DISCONNECTED GROUND AIR & RUN APU AND PACKS NO MORE STRONG ODER REF A320 AMM 21-00. (LP: 8278230)