NONE · Hughes 369D · 1999-07-03 · OAKDALE, CA, USA
Event
NTSB number
LAX99LA245
Event ID
20001212X19296
Type
Accident
Date
1999-07-03
Location
OAKDALE, CA, USA
Coordinates
37.799346, -120.740806
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
3
Total aboard
3
Aircraft
Make
Hughes
Model
369D
Registration
N8661F
FAR Part
133
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
The disintegration and failure of the oil pump drive spur gear aft bearing, which resulted in failure of the oil pump and subsequent oil starvation to the engine's turbine module. A factor in the accident was the failure of company maintenance personnel to comply with the manufacturer's service bulletin regarding replacement of the bearing.