As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAW CREW: ABORTED TAKEOFF DUE TO FELT NOSE GEAR VIBRATION. ACCOMPLISH FULL TROUBLESHOOTING PROCEDURE FOR ENG STALL TSM. DEBRIEFED CREW ON RETURN. CREW STATES PASSENGER AT ROW 21 SAW SPARKS AND FLAME OUT OF NR 2 ENGINE EXHAUST. POST FLIGHT REPORT INDICATES ECAM WARNING: ENG 2 STALL AND FAILURE MESSAGE: VSV MECH-BLEED VALVE V-LPC2 SOURCE EIU2 FADEC. REMOVED AND INSTALLED ENGINE. ENGINE INSTALLATION COMPLETED.