In April, the LOTAMS employees finished a C-check for the Spanish airline Air Europa. The scope of the EC-ISN redelivery check included aircraft painting and the C-check with structural and system tasks. The cooperation of the Polish maintenance company with Air Europa began in April 2019 with a check of the Embraer 195. The second check on the same aircraft model took place in October 2019. At the beginning of 2020, LOTAMS also performed a base maintenance of the B737 NG. The fourth visit of the Spanish carrier to LOTAMS included many complex maintenance activities. The culmination of the almost