Accident Details
Date
Friday, January 20, 1989
NTSB Number
CHI89MA046
Location
CHICAGO , IL
Event ID
20001213X27558
Aircraft Damage
Substantial
Highest Injury
None
Fatalities
0
Serious Injuries
0
Minor Injuries
0
Uninjured
33
Total Aboard
33
Probable Cause and Findings
PREVIOUS DAMAGE TO THE AFT CONE (ENGINE MOUNTING) BOLT, WHICH RESULTED IN MISMATCHED SURFACES BETWEEN THE BOLT AND ISOLATION MOUNT, LOSS OF TORQUE DURING CYCLIC LOADING OF THE MOUNTING BOLT, AND SUBSEQUENT FATIGUE FAILURE OF THE BOLT.
Aircraft Information
Registration
N242US
Make
BOEING
Serial Number
22444
Year Built
1981
Model / ICAO
737-201
Registered Owner (Historical)
Name
SALE REPORTED
Address
XXX
Status
Deregistered
City
NONE
State / Zip Code
OK 73102
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# CHI89MA046