SERS · CESSNA 150F · 2015-09-28 · Port Townsend, WA, USA
Event
NTSB number
WPR15FA268
Event ID
20150928X72825
Type
Accident
Date
2015-09-28
Location
Port Townsend, WA, USA
Coordinates
48.065277, -122.840553
Injuries
Highest injury
SERS
Fatal
0
Serious
2
Minor
0
Uninjured
0
Total aboard
2
Aircraft
Make
CESSNA
Model
150F
Registration
N8529G
FAR Part
091
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
The loss of engine power due to the mechanic's inadequate tightening of the crankshaft gear retaining bolts during an engine overhaul, which resulted in fatigue failure of the bolts and the crankshaft gear dowel pin that allowed the crankshaft gear to separate from the crankshaft.