Incident to the Aibus A320 registered EP-ZAV operated by Zagros on 07/12/2022 en route

Preliminary data based on the notification from the Iranian authorities:

Flight from Kish to Isfehan with flight number 4005 normally took off around 0609 utc, after 40 min of flight, during cruise phase, crew faced with below ecam warning messages leading to aircraft decompressurization and consequently to emergency landing in Isfehan airport (all oxygen mask drops)

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General information
Local date	07/12/2022
Responsible entity	Iran, Islamic Republic of - AIB
State or area of occurrence	Middle East - Iran, Islamic Republic of
Location	En croisière
Human consequences	None
Aircraft consequences	None
Occurrence class	Incident
File number	BEA2022-0613

Flight Information
Aircraft category	Fixed Wing - Aeroplane - Large Aeroplane - Large Aeroplane
Operator	Iran, Islamic Republic of - Zagros Airlines
Manufacturer / Model	AIRBUS - A320
Aircraft Registration	EP-ZAV
State of registry	Iran, Islamic Republic of
Last departure point	Iran, Islamic Repuplic of - OIBK (KIH): Kish I.
Planned destination	Iran, Islamic Repuplic of - OIFM (IFN): Esfahan
Flight phase	En route
Serial number
Operator Type AG
Operation Type	Commercial Air Transport - Passenger - Airline

BEA is the French air safety investigation authority for civil aviation. The sole objective of the investigation is to improve air safety. It is intended neither to apportion blame nor to assess responsiblity.