MINR · BELL 47G-4A · 2010-01-22 · Shafter, CA, USA
Event
NTSB number
WPR10LA117
Event ID
20100125X12744
Type
Accident
Date
2010-01-22
Location
Shafter, CA, USA
Coordinates
35.473331, -119.242774
Injuries
Highest injury
MINR
Fatal
0
Serious
0
Minor
1
Uninjured
0
Total aboard
1
Aircraft
Make
BELL
Model
47G-4A
Registration
N28938
FAR Part
137
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
The loss of a main rotor blade counterweight due to corrosion. Contributing to the accident was the failure of the operator to perform the initial and recurrent inspections required by a Service Bulletin to detect the corrosion in the counterweight.