May 1, 2025
Accident
Substantial Grass Valley, CA
Injuries1 fatal
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
An improperly tightened B-nut fitting at the fuel flow divider, which resulted in a fuel leak and loss of engine power due to fuel starvation, and the inadequate maintenance inspection, which failed to detect and correct the discrepancy.
NTSB WPR25FA146