Drone Manufacturer: DJI
Drone Model: Phantom 4 Pro
Country: United Kingdom of Great Britain and Northern Ireland
Pilot Qualifications: Unknown Status
Pilot Flight Experience: Unknown Hours
Link to External Information About This submission: https://www.gov.uk/government/publications/aaib-record-only-uas-investigations-reviewed-june-july-2021/aaib-record-only-uas-investigations-reviewed-june-july-2021
File Uploaded: None
The four rotor UA lost a rotor during flight and fell through a tree. During replacement of all the rotors it was noticed that one appeared to lock in place with half a turn. However, by holding the motor and applying pressure to the rotor it became unlocked.
Loss of propeller.