A321
Flight Crew Multiengine; Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument
Physiological - Other
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural Published Material / Policy; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Flight Crew Overcame Equipment Problem; General Maintenance Action; General Flight Cancelled / Delayed
Aircraft
Several minutes after selecting APU bleed on the aircraft starting emitting an odor consistent with an oil fume event. Turned off the APU bleed and contacted Maintenance. There were no passengers onboard. Flight crew and cabin crew vacated the aircraft. FO (First Officer) and FA's (Flight Attendants) initially did not want medical attention. After an Inflight Supervisor spoke with them the FO and all FA's chose to go to the hospital. When I called Dispatch to relay what was going on with the aircraft I used the term 'Fume Event' He had no idea what I was talking about. He had received information regarding a smelly sock issue. He said he never heard it called a 'Fume Event'. Maybe this was an isolated incident regarding the terminology or possibly a need to disseminate what a fume event is across the Dispatch department.Airbus needs to fix this reoccurring problem.
During preflight setup of the aircraft; APU Bleed Air Pushbutton was selected on. All 6 crew members noticed an unusual 'musty' smell in both the cabin and flight deck. After a few minutes of discussion; the CA (Captain) and I both agreed that the APU Bleed Air should be selected off and Maintenance should be called. After Maintenance was called; the entire crew exited the aircraft to the jetway to allow the aircraft to ventilate. All 6 crew members experienced eye and throat irritation.
A321 Flight Crew reported a fume event during preflight. First Officer and flight attendants were treated for physiological symptoms.