What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
8-7-2023 The lincoln Nebraska FSDO was notified of a part 137 drone accident that occurred 3 miles north of Richland, Nebraska. The drone operator surveiled the field prior to spraying and programed the drone accordingly. The drone was spraying in automation mode when it encounterd a pivot, drone increased altitude to avoid the pivot and struck a sagging power line wire above it. The operator's visual observer was pre-occupied at the time and not focused on the operation.
When doing the preflight the operator didn't take into account the height of the power lines and pivot to properly program the drone for avoidance.
As the FAA filed it
8-7-2023 THE LINCOLN NEBRASKA FSDO WAS NOTIFIED OF A PART 137 DRONE ACCIDENT THAT OCCURRED 3 MILES NORTH OF RICHLAND, NEBRASKA. THE DRONE OPERATOR SURVEILED THE FIELD PRIOR TO SPRAYING AND PROGRAMED THE DRONE ACCORDINGLY. THE DRONE WAS SPRAYING IN AUTOMATION MODE WHEN IT ENCOUNTERD A PIVOT, DRONE INCREASED ALTITUDE TO AVOID THE PIVOT AND STRUCK A SAGGING POWER LINE WIRE ABOVE IT. THE OPERATOR'S VISUAL OBSERVER WAS PRE-OCCUPIED AT THE TIME AND NOT FOCUSED ON THE OPERATION.
WHEN DOING THE PREFLIGHT THE OPERATOR DIDN'T TAKE INTO ACCOUNT THE HEIGHT OF THE POWER LINES AND PIVOT TO PROPERLY PROGRAM THE DRONE FOR AVOIDANCE.