LAX83IA073

NTSB incident investigation · Boeing 747-123 · Los Angeles, CA · January 16, 1983

Incident · No injuriesIncident investigationFinal report
Date
January 16, 1983, 08:50 local (16:50 UTC)
Place
Los Angeles, CA
Injuries
412 uninjured
Damage
Minor damage
Phase of flight
Taxi
Aircraft
N9664Boeing 747-123
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830116003419I
Case key
23580

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

On this page

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Main gear collapsedTaxi - to takeoff
Landing gear,main gear strut - fatigueCause
Landing gear,main gear strut - failure,totalCause
Landing gear,main gear strut - disintegrated

Analysis

The left main landing gear collapsed while the acft was taxiing for takeoff. Dissambly revealed that the outer cylinder was shattered & metallurgical examination revealed abrasive grinding & environmetally accelerated fatigue prior to rapidfracture.

Aircraft

Registration
N9664
Reported as
Boeing 747-123
Category
Airplane
Serial number
20103
Airframe hours
35,806
Engine
P&W JT9D, 41,000 lbs thrust, turbo fan
Damage
Minor damage
Flight
Personal · Part 91
Registered owner
American Airlines
Airworthiness certificate
Standard, Transport
Destination
JFK · New York, NY
Flight plan
IFR
Airport
LAX · Los Angeles

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
52
Certificate
Airline transport
Airplane ratings
Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
16,800 total

Weather

Conditions
Visual (VMC) · Day
Visibility
15 statute miles

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.