The mass grounding is the latest blow for Avianca Brasil, which has had a rocky few months.
Avianca Brasil officially leaving Star Alliance: Travel Weekly
Airline start-ups outweigh failures over summer months, Analysis
Avianca Argentina is facing difficulties, as well as the Brazilian subsidiary - Air Data News
Air safety incidents for Avianca Brasil - AeroInside
Air safety incidents for Avianca Brasil - AeroInside
Avianca Brasil cancels its orders for the Airbus A350XWB - Aeroflap
Air Transport - legacy
These Airlines Have Gone Bankrupt This Year- But Why? - Airline
Amid complex economic conditions, Avianca cuts 12 percent of its flights
Avianca cancels remaining passenger routes
Airbus terminates Qatar Airways order for 50 A321neo's