N74520MOONEY M20B 1990-01-07 NTSB Accident Report

Substantial
Minor

MOONEY M20B S/N: 1907

Summary

On January 07, 1990, a Mooney M20B (N74520) was involved in an accident near Santa Ana, CA. The accident resulted in 1 minor injury. The aircraft sustained substantial damage.

The National Transportation Safety Board determined the probable cause of this accident to be: THE FAILURE OF BOLTS RETAINING THE IDLER SHAFT ALLOWING THE CAM SHIFT TIMING TO CHANGE AND BY ITS FAILURE TO DRIVE THE LEFT MAGNETO.

This accident is documented in NTSB report LAX90LA066. AviatorDB cross-references NTSB investigation data with FAA registry records to provide comprehensive safety information for aircraft N74520.

Accident Details

Date
Sunday, January 7, 1990
NTSB Number
LAX90LA066
Location
SANTA ANA, CA
Event ID
20001212X22434
Aircraft Damage
Substantial
Highest Injury
Minor
Fatalities
0
Serious Injuries
0
Minor Injuries
1
Uninjured
0
Total Aboard
1

Probable Cause and Findings

THE FAILURE OF BOLTS RETAINING THE IDLER SHAFT ALLOWING THE CAM SHIFT TIMING TO CHANGE AND BY ITS FAILURE TO DRIVE THE LEFT MAGNETO.

Aircraft Information

Registration
Make
MOONEY
Serial Number
1907
Engine Type
Reciprocating
Model / ICAO
M20B M20P
Aircraft Type
Fixed Wing Single Engine
No. of Engines
1

Registered Owner (Historical)

Name
MCCANTS ROBLEY D
Address
20007 CLEAR RIVER LN
Status
Deregistered
City
YORBA LINDA
State / Zip Code
CA 92686
Country
United States

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# LAX90LA066