MINR · de Havilland DHC-6-100 · 1990-12-09 · PERRIS VALLEY, CA, USA
Event
NTSB number
LAX91FA052
Event ID
20001212X24764
Type
Accident
Date
1990-12-09
Location
PERRIS VALLEY, CA, USA
Injuries
Highest injury
MINR
Fatal
0
Serious
0
Minor
1
Uninjured
20
Total aboard
21
Aircraft
Make
de Havilland
Model
DHC-6-100
Registration
N121PM
FAR Part
091
Engines
2
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
A LOSS OF POWER ON THE LEFT ENGINE DUE TO A FATIGUE FAILURE OF A COMPRESSOR TURBINE BLADE LEADING TO FURTHER COMPRESSOR BLADE DAMAGE; A WORN POWER TURBINE GOVERNOR THROTTLE CAM ASSEMBLY WHICH LED TO LOSS OF POWER ON THE RIGHT ENGINE; AND INADEQUATE MAINTENANCE AND INSPECTION BY THE OPERATOR.