Los Angeles Intl Airport
Aircraft Accident/Incident Report

Los Angeles, California
Friday, May 11, 1984 21:56 PDT

NTSB Narrative Summary Released at Completion of Accident

DURING ROTATION THE #2 ENG SUSTAINED AN EXPLOSIVE RUPTURE OF ITS COMPRESSOR REAR FRAME(CRF). THE CREW OBSERVED A RAPID DROP IN THE #2 ENG PERFORMANCE PARAMETERS & THE ILLUMINATION OF THE #2 ENG THRUST REVERSERS 'UNLOCK AND IN TRANSIT' LITES. THE CREW DISCHARGED A FIRE BOTTLE. AFTER THE ENG WAS SHUT DOWN & THE FUEL DUMPED, THE CREW LANDED THE ACFT WITHOUT FURTHER INCIDENT. THE ENG DAMAGE WAS PRIMARILY CONFINED TO AN AXIALLY RUPTURED OUTER CASING OF THE CRF. THE CRF HAD FRACTURED AS A RESULT OF A HIGH-STRESS(LOW-CYCLE) FATIGUE. THE FATIGUE ORIGINATED AT A ZONE OF MICROPOROSITY IN THE IGNITOR PAD AREA OF THE CRF OUTER CASING. TOTAL NUMBER OF CREW & PASSENGERS NOT REPORTED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 5/11/1984
Event Day of the Week Friday
Time of Event 2156
Event Time Zone Pacific Daylight Time
Event City LOS ANGELES
Event State CALIFORNIA
Event Country --
Zipcode of the event site
Event Date Year 1984
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport LOS ANGELES INTL
Event Location Nearest Airport ID LAX
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Unknown
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 5052
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26075
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Unknown
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number FBPVS
NTSB Number DCA84IA026
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 129: Foreign
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Minor
Aircraft Fire In-flight
Aircraft Explosion In-flight
Aircraft Manufacturer's Full Name BOEING
Aircraft Model 747
Aircraft Series Identifier 747
Aircraft Serial Number
Certified Max Gross Weight 733000
Aircraft Category Airplane
Aircraft Registration Class Foreign Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 396
Number of Engines 4
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name AIR FRANCE
Aircraft Owner Street Address ORLY ARPT
Aircraft Owner City PARIS
Aircraft Owner State OF
Aircraft Owner Country
Aircraft Owner Zipcode
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 AF
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? Yes
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 International
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
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --