A320
Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument; Flight Crew Multiengine
Aircraft Equipment Problem Less Severe; Flight Deck / Cabin / Aircraft Event Illness / Injury; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
Flight Crew Returned To Gate; General Flight Cancelled / Delayed
Aircraft
Immediately after starting both engines and re-configuring the bleed system to supply the PACKs air from their on-side engine bleeds; which itself followed a previous BTB for maintenance; the aft; B; flight attendant called the flight deck to report the aft; D; flight attendant vomiting in the presence of acrid/metallic/oily fumes. The fumes were reported to be noticeable from Row 16 aft. Two passengers also reported noticing the fumes as well as a passenger vomiting as well. It is unknown if [the passenger] perceived the fumes as well. We; the flight deck crew; did not.
A320 Captain reported complaints from the Flight Attendants of noxious fumes shortly after engine start.