Accident Details
Date
Monday, May 9, 1988
NTSB Number
CHI88FA110
Location
CHICAGO, IL
Event ID
20001213X25642
Aircraft Damage
Substantial
Highest Injury
None
Fatalities
0
Serious Injuries
0
Minor Injuries
0
Uninjured
304
Total Aboard
304
Probable Cause and Findings
FAILURE OF THE NUMBER THREE FLAP TRACK DUE TO STRESS CORROSION CRACKING. FACTORS CONTRIBUTING TO THIS FAILURE ARE INSUFFICIENT DESIGN OF THE MEMBER AND INADEQUATE INSPECTION AND MAINTENANCE PROCEDURES TO DETECT CRACKS BEFORE THEY PROPAGATE TO A CRITICAL LENGTH.
Aircraft Information
Registration
GAWND
Make
BOEING
Serial Number
19764
Model / ICAO
747-136
Data Source
Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# CHI88FA110