Accident Details
Date
Monday, August 27, 1990
NTSB Number
LAX90IA305
Location
LOS ANGELES, CA
Event ID
20001212X24039
Coordinates
33.950046, -118.400817
Aircraft Damage
MINR
Highest Injury
Minor
Fatalities
0
Serious Injuries
0
Minor Injuries
23
Uninjured
320
Total Aboard
343
Probable Cause and Findings
THE FAILURE OF THE MANUFACTURER TO ENSURE THAT THE LANDING GEAR SELECTOR VALVES AND THEIR ASSOCIATED DRUM LINK ASSEMBLIES WERE PROPERLY INSTALLED PRIOR TO DELIVERY OF THE AIRCRAFT. A FACTOR IN THE ACCIDENT WAS THE LACK OF INFORMATION AVAILABLE TO THE CREW CONCERNING THE SECONDARY ALTERNATE GEAR EXTENSION PROCDURE.
Aircraft Information
Registration
N174UA
Make
BOEING
Serial Number
24381
Year Built
1990
Model / ICAO
747-422
Registered Owner (Historical)
Name
WILMINGTON TRUST CO TRUSTEE
Address
ATTN: CORPORATE TRUST SERVICES
1100 N MARKET ST
Status
Deregistered
City
WILMINGTON
State / Zip Code
DE 19890-1100
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# LAX90IA305