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| Date: | Monday 8 January 2024 |
| Time: | 17:35 |
| Type: |  Airbus A320-214 |
| Owner/operator: | Air India Express |
| Registration: | VT-VTZ |
| MSN: | 4379 |
| Year of manufacture: | 2010 |
| Total airframe hrs: | 36876 hours |
| Cycles: | 27558 flights |
| Engine model: | CFMI CFM56-5B4/P |
| Fatalities: | Fatalities: 0 / Occupants: 182 |
| Other fatalities: | 0 |
| Aircraft damage: | None |
| Category: | Incident |
| Location: | 30 nm from Kolkata International Airport -
 India
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Kolkata-Netaji Subhas Chandra Bose International Airport (CCU/VECC) |
| Bhubaneswar-Biju Patnaik International Airport (BBI/VEBS) | |
| Investigating agency: | DGCA India |
| Confidence Rating: |  Accident investigation report completed and information captured |
Air India Express flight I5 5563, an Airbus A320-214, returned to Kolkata International Airport, after engine no.1 shut down during climb after takeoff from Kolkata Airport (CCU).
The flight crew heard a boom sound followed by N1 of engine no.1 dropping and after 2-3 sec the autopilot went off followed by an un-commanded engine no.1 shutdown.
Thereafter the flight crew tried to relight the engine, which was unsuccessful, and declared PAN-PAN. It landed safely back at Kolkata Airport.
Probable Causes of the Incident:
"The probable cause of the incidentis the deterioration and blockage in the Transfer Gear Box due failure of TGB L1 roller bearing,could have caused the deformation of the Radial Drive Shaft,which led to the In-flight engine shutdown. The reason for failure of TGB L1 bearing could not be ascertained due to missing bearing parts."
Accident investigation:
 |
|
Sources:
https://timesofindia.indiatimes.com/city/kolkata/odisha-bound-air-india-express-flight-turns-back-to-kolkata-following-mid-air-snag/articleshow/106645153.cms
https://www.flightradar24.com/data/aircraft/vt-vtz#338b56b8
History of this aircraft
Other occurrences involving this aircraft
| 6 August 2025 | VT-VTZ | Air India Express | 0 | Pune-Lohegaon Airport (PNQ/VAPO) | |
min |
| Bird strike | ||||||
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Jan-2024 07:38 | aus | Added |
| 09-Jan-2024 07:39 | harro | Updated [Aircraft type, Registration, Cn, Other fatalities, Departure airport, Destination airport, Source, Narrative, ] |
| 09-Jan-2024 07:40 | harro | Updated [Time, Other fatalities, ] |
| 27-Sep-2025 12:34 | ASN | Updated [Total occupants, Location, Narrative, Accident report, ] |
Corrections or additions? ... Edit this accident description
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