The incident resulted in no injuries, according to the report.
The pilot notified air traffic controllers at Charles M. Schulz-Sonoma County Airport that his bi-plane lost power six miles north of the airport at about 9:30 a.m., the report said.
The pilot repaired his aircraft and left the landing scene by the time emergency responders from the Sonoma County Sheriff's Office arrived in the area, the report said.
The plane is believed to have landed in a field east of Fitch Mountain about seven miles North of the Alexander Valley according to the report, citing an estimate made by emergency officials.
The sheriff's department
was notified by the FAA that the incident isn't considered a crash
and requires no investigation.