Narrative:

We departed on time. Normal taxi-out and departure from runway. Climbed to FL330 in smooth air and first 45 minutes of flight unremarkable. First officer (first officer) was PF (pilot flying) and captain pm (pilot monitoring). Engine 1 experienced a stall accompanied by partial EPR rollback on engine 1 and an ECAM 'engine 1 stall.' first officer retained control of flying and took radios and captain began ECAM and QRH. Engine recovered itself with no action required and remained stable with no further indications of a stall.crew resumed normal PF/pm duties and we reviewed the engine 1 stall QRH to ensure all considerations taken. We discussed monitoring engine and reviewed the driftdown qrc items to be prepared should another event occur. First officer reviewed our single engine performance capability to confirm capability at present weight. Captain shared event information with [company] maintenance via ACARS and notified dispatch. All parties believed it was a momentary event and engine was operating normally.a second; deeper engine 1 stall occurred about 35 minutes later and again first officer remained the PF and took communications so captain could run the ECAM and QRH. Per the procedure when thrust was slowly brought back up on engine 1 further vibrations and stalls began and thrust lever was returned to idle where engine idled with normal indications. We coordinated a driftdown with ATC while we completed our analysis of the engine status and advised ATC working a degraded engine situation. Dispatch was also advised; and closest airports were reviewed with consideration to single engine performance ability as well as overweight landing performance for a weight of 150;000 pounds.captain decided safest plan was to land in ZZZ; [requested priority handling] with ATC and advised flight attendants of plan. Dispatch was advised of diversion to ZZZ with degraded engine. A brief passenger announcement was also made. Flight attendants advised captain passenger was not feeling well and oxygen was being administered. A medically trained passenger was assisting crew with the ill passenger. A pass-rider flight attendant also stepped up to assist cabin crew for balance of flight.we prepared and briefed a descent to ZZZ and requested runway xxl. Performance data received from dispatch and captain elected to fly the descent and approach. First officer provided excellent pm and callouts. An uneventful landing on ZZZ xxl completed with [airport rescue and firefighting] equipment positioned on the adjacent taxiway. Aircraft was able to safely taxi to gate with a fire truck escort.maintenance release codes were sent for engine 1 stall ecams and a used oxygen bottle. A phone call to [technical support maintenance control] was made by captain as well to log the overweight landing and describe events. Captain and first officer debriefed in ZZZ to review CRM elements and outcome. Crew deadheaded back to ZZZ1 later in the afternoon.

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Original NASA ASRS Text

Title: A320 flight crew reported a divert due to compressor stalls on left then right engine.

Narrative: We departed on time. Normal taxi-out and departure from runway. Climbed to FL330 in smooth air and first 45 minutes of flight unremarkable. FO (First Officer) was PF (Pilot Flying) and Captain PM (Pilot Monitoring). Engine 1 experienced a stall accompanied by partial EPR rollback on ENG 1 and an ECAM 'ENG 1 STALL.' FO retained control of flying and took radios and Captain began ECAM and QRH. Engine recovered itself with no action required and remained stable with no further indications of a stall.Crew resumed normal PF/PM duties and we reviewed the ENG 1 STALL QRH to ensure all considerations taken. We discussed monitoring engine and reviewed the driftdown QRC items to be prepared should another event occur. FO reviewed our single engine performance capability to confirm capability at present weight. Captain shared event information with [Company] Maintenance via ACARS and notified Dispatch. All parties believed it was a momentary event and engine was operating normally.A second; deeper Engine 1 Stall occurred about 35 minutes later and again FO remained the PF and took communications so Captain could run the ECAM and QRH. Per the procedure when thrust was slowly brought back up on Engine 1 further vibrations and stalls began and thrust lever was returned to idle where engine idled with normal indications. We coordinated a driftdown with ATC while we completed our analysis of the engine status and advised ATC working a degraded engine situation. Dispatch was also advised; and closest airports were reviewed with consideration to single engine performance ability as well as overweight landing performance for a weight of 150;000 pounds.Captain decided safest plan was to land in ZZZ; [Requested Priority Handling] with ATC and advised Flight Attendants of plan. Dispatch was advised of diversion to ZZZ with degraded engine. A brief passenger announcement was also made. Flight attendants advised Captain passenger was not feeling well and oxygen was being administered. A medically trained passenger was assisting crew with the ill passenger. A pass-rider Flight Attendant also stepped up to assist cabin crew for balance of flight.We prepared and briefed a descent to ZZZ and requested Runway XXL. Performance data received from Dispatch and Captain elected to fly the descent and approach. FO provided excellent PM and callouts. An uneventful landing on ZZZ XXL completed with [airport rescue and firefighting] equipment positioned on the adjacent taxiway. Aircraft was able to safely taxi to gate with a fire truck escort.Maintenance release codes were sent for ENG 1 STALL ECAMs and a used oxygen bottle. A phone call to [Technical Support Maintenance Control] was made by Captain as well to log the overweight landing and describe events. Captain and FO debriefed in ZZZ to review CRM elements and outcome. Crew deadheaded back to ZZZ1 later in the afternoon.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.