MINR · PIPER PA 32-300 · 1991-01-21 · ANAHEIM, CA, USA
Event
NTSB number
LAX91LA085
Event ID
20001212X16344
Type
Accident
Date
1991-01-21
Location
ANAHEIM, CA, USA
Injuries
Highest injury
MINR
Fatal
0
Serious
0
Minor
1
Uninjured
0
Total aboard
1
Aircraft
Make
PIPER
Model
PA 32-300
Registration
N1885H
FAR Part
135
Engines
1
Damage
SUBS
Conditions
Light
DAWN
Weather
VMC
Probable cause
MAINTENANCE PERSONNEL IN THAT THEY IMPROPERLY ADJUSTED THE LEFT MAGNETO WHICH RESULTED IN THE COMPLETE EROSION OF THE ELECTRODES FROM SIX OF THE TWELVE INSTALLED SPARK PLUGS. THE INSTALLATION OF SPARK PLUGS WITH COLDER HEAT RANGES THAN SPECIFIED BY THE MANUFACTURER AND RISING TERRAIN AHEAD OF THE AIRCRAFT DURING THE FORCED LANDING WERE FACTORS IN THE ACCIDENT.