Jun 23, 2013
Accident
Substantial Boulder City, NV
Injuries2 fatal
Phase of Flight-
ConditionsVMC
OperationFAR 091
Probable Cause
The pilot/mechanic's loss of control during an emergency descent following a loss of engine power while in cruise flight. Contributing to the accident was the pilot/mechanic's incorrect assembly of the No. 6 cylinder at the last cylinder change, which resulted in a separation of the cylinder and the loss of engine power.
NTSB WPR13FA284