What happened
On June 17, 2011, an Embraer ERJ-170 operated by PLL LOT SA departed from Warsaw at 06:07 UTC. Shortly after takeoff, the flight crew identified technical issues regarding the aircraft's flaps. Due to the nature of the malfunction and the need for maintenance support, the crew decided to abort the mission and return to the departure aerodrome.
The aircraft successfully completed the return flight and landed at the airport at 06:34 UTC without further incident.
The investigation
The investigation into this incident was conducted by the operator. The inquiry focused on the sequence of events following the takeoff and the technical status of the flap system during the flight.