A319 flight crew reported hearing a loud bang and the airframe vibrating during climb-out; followed by Engine #1 rolling back to idle which made the aircraft yaw and bank. The flight attendants informed the flight crew there was a large hole in Door 2R; and a loud noise was coming from the affected door. The flight crew diverted to an alternate airport.
Synopsis
A319 flight crew reported hearing a loud bang and the airframe vibrating during climb-out; followed by Engine #1 rolling back to idle which made the aircraft yaw and bank. The flight attendants informed the flight crew there was a large hole in Door 2R; and a loud noise was coming from the affected door. The flight crew diverted to an alternate airport.
Narrative
Departed ZZZ around XA:00; and during the climb out through roughly FL210; a loud 'bang' is heard; significant airframe vibration felt; and engine indications on Engine 1 showing rapid rollback to near idle; with associated yaw and bank. Autopilot and autothrust were both on during the climb/incident and remained activated through the engine stall.Requested an immediate level-off at FL220 and instructed ATC to vector us in the ZZZ area. After the engine rolled back; upper ECAM caution 'ENG 1 Stall' displayed; and duties designated for flying/radios/checklists. Then; the ECAM caution cleared prior to completing action items. Engine 1 regained normal thrust; and engine indications appeared normal. The QRH for Engine 1 stall was reviewed; as a precaution. At this moment the aft FAs (Flight Attendant) called and reported the loud bang and aircraft vibrations; as well as 'very loud' noise coming from door 2R. The noise was loud enough to be heard throughout the cabin. During this call the aft FA also mentioned the same door had a large hole in the door seal; and expressed significant concern because she could see outside. Flight crew immediately monitored pressurization and door indications. All appeared normal. Around this time [priority handling was requested] for the engine problem. Aircraft speed was reduced and landed uneventfully on Runway XXR. Taxied clear of the runway and stopped for a visual inspection from the ARFF (Airport Rescue and Firefighting) crew. All appeared normal; aircraft was taxied uneventfully to the gate and deplaned. Aircraft was squawked. Throughout the process; Dispatch was contacted via ARINC; FAs 'briefed;' and PAs for passengers made. Crew debrief completed. Chief Pilot/Dispatch/Maintenance Control all debriefed following the event also.
Second reporter narrative
Engine 1 stall. After a routine departure from ZZZ; we were climbing on ZZZZZ Departure. During the climb; around FL210; there was abruptly loud bang" noise and significant yaw to the left accompanied by Engine 1 rolling back with loss of thrust. Immediately; we leveled off at FL220. There was also a momentary vibration throughout the entire aircraft. The upper E/WD (Engine Warning Display) displayed caution message for ENG 1 STALL. The Captain was the original pilot flying and I was the pilot monitoring. The associated caution message on ECAM disappeared by itself about 10 - 15 seconds thereafter. We then transferred our duties and Captain became pilot monitoring. At the same time flight attendants called and informed us there was a loud noise coming from door 2R along with obvious loud bang. On the second call from FA; they reported a visible hole on door 2R sealant and the associated loud noise now can be heard throughout half of the cabin. Based the circumstances at hand; Captain contacted Dispatch via voice. We reviewed the QRH for ENGINE 1 STALL and [requested priority handling]. On the other hand; pressurization during that time was normal even with visible large hole in door 2R sealant.We eventually returned back to ZZZ after conducting RNAV GPS XXR with a normal landing below the max landing weight flown by the Captain. Upon vacating the runway we requested a visual inspection of the aircraft exterior from ARFF (Airport Rescue and Firefighting) team. The inspection appeared to be normal and therefore we elected to do a normal taxi to the gate and deplaned the passengers."
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.