MINR · CESSNA U206 · 2017-09-01 · Harpswell, ME, USA
Event
NTSB number
ERA17LA307
Event ID
20170905X90624
Type
Accident
Date
2017-09-01
Location
Harpswell, ME, USA
Coordinates
43.819999, -69.919998
Injuries
Highest injury
MINR
Fatal
0
Serious
0
Minor
1
Uninjured
0
Total aboard
1
Aircraft
Make
CESSNA
Model
U206
Registration
N4615X
FAR Part
091
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
A total loss of engine power due to maintenance personnel's failure to apply proper torque to the cylinder flange nuts and through bolts, which resulted in shifting of the Nos. 1, 2, and 3 main bearings, loss of lubrication, and failure of the crankshaft.