RedactedNarrative: On 6/12/2016 V1 was being operated on Shadehill Reservoir between 9:00 AM and 8:00 PM.  At some point during the day O1 ran over some sort of object causing significant prop damage and bending the drive shaft in the lower unit.  O1 stated that he did not realize he hit anything while he was out that day.  This accident was reported several days after the accident occurred.