Los Angeles Int'l Airport
Aircraft Accident/Incident Report

Los Angeles, California 90045
Monday, June 11, 1984 14:03 PDT

NTSB Narrative Summary Released at Completion of Accident

SHORTLY AFTER THE AIRCREW MOVED THE GEAR HANDLE FROM 'UP' TO 'OFF', DURING INITIAL CLIMB, THEY HEARD A LOUD BANG IN THE NOSEWHEEL AREA. THEY RETURNED TO THE ARPT & LANDED AFTER DUMPING FUEL. AN EXAM REVEALED THAT BOTH LOWER ATTACH LUGS ON THE NOSE GEAR CRANK ASSEMBLY HAD FAILED & ALLOWED THE RETRACT ACTUATOR ARM TO PENETRATE THE WHEEL WELL BULKHEAD & CARGO COMPARTMENT FLOOR. A METALLURGICAL EXAM REVEALED THAT THE LEFT LUG HAD FAILED IN OVERLOAD AFTER FAILURE OF THE RIGHT LUG. THE FRACTURE SURFACE OF THE RIGHT LUG WAS TOO BADLY DAMAGED FOR AN EVALUATION; HOWEVER, SOME INTERGRANULAR CORROSION WAS NOTED IN THE REMAINING FRACTURE FACE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/11/1984
Event Day of the Week Monday
Time of Event 1403
Event Time Zone Pacific Daylight Time
Event City LOS ANGELES
Event State CALIFORNIA
Event Country --
Zipcode of the event site 90045
Event Date Year 1984
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport LOS ANGELES INT'L
Event Location Nearest Airport ID LAX
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport 252
Airport Elevation 126
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1350 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 70
Weather Observation Facility ID LAX
Elevation of weather observation facility 126
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 30000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) 11
Wind Direction (degrees magnetic) 230
Variable Wind Indicator Unknown
Wind Speed (knots) 14
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 870
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 157
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 5108
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 27437
Date of most recent change to record Dec 9 2011 10:52AM
User who most recently changed record broda
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N501PA
NTSB Number LAX84LA349
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 121: Air Carrier
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name LOCKHEED
Aircraft Model L-1011-385-3
Aircraft Series Identifier L-1011-385
Aircraft Serial Number 193Y-1176
Certified Max Gross Weight 450000
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 249
Number of Engines 3
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours 10064
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name PAN AMERICAN WORLD AIRWAYS INC
Aircraft Owner Street Address 200 PARK AVE.
Aircraft Owner City NEW YORK
Aircraft Owner State NY
Aircraft Owner Country
Aircraft Owner Zipcode 10166
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code PAAA
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger/Cargo
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code LAX
Departure City LOS ANGELES
Departure State CA
Departure Country
Departure Time 1330
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code MIA
Destination City MIAMI
Destination State FL
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 9 2004 2:08PM
User who most recently changed record JOHB
Since inspection or accident --
Event Location Runway Number and Location 25
Runway Length 12091
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --