Serious Incident to the Airbus A320 registered N491TA and operated by Avianca Peru on 27/08/2017 en route [Investigation led by AIB / Peru]

Preliminary data based on the notification from the Peru authorities:

Loss of cabin pressurization in flight, deploy masks, emergency descent and safe landing.

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General information
Local date	27/08/2017
Responsible entity	Peru - AIB
State or area of occurrence	Peru
Location	En croisière
Human consequences	None
Aircraft consequences	None
Occurrence class	Serious incident
File number	BEA2017-0529

Flight Information
Aircraft category	Aeroplane - Large aeroplane
Operator	Peru (Avianca Peru)
Manufacturer / Model	AIRBUS - A320
Aircraft Registration	N491TA
State of registry	United States
Last departure point	Peru - SPIM (LIM): Lima-Callao/Intl Jorge Chavez
Planned destination	Peru - SPJJ (JAU): Jauja
Flight phase	En route
Serial number	2301
Operator Type AG
Operation Type	Commercial Air Transport - Passenger

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.