Aircraft Model : 747132
Aircraft Serial No. : 19896
Difficulty Date : 06 September 1994
Operator Desig. : EIAA
Operator Type : Air Carrier
A/C N Number : 481EV
Precautionary Procedure : Unsched. Landing
: Dump Fuel
Nature : Warning Indication
Stage of Flight : Climb
Discrepancy/Corrective Action:JFK - ON TAKEOFF AFT CARGO DOOR LT ILLUMINATED. UNABLE TO PRESSURIZE, DUMPED 50,000 POUNDS, LANDED JFK. UPON ARRIVING AT JFK , FOUND AFT CARGO VENT DOORS OPENED AND DOOR HANDLE UNLOCKED. CHECKED OPERATION OF DOOR AND HANDLE PER MM 52-34-12 AND MM 52-34-00. OPS CHECKED OK. ADJUST LATCH PIN PER MM 52-34-12 PAGE 234 AND PRESSURIZED OK. PER MM 21-31-00. OPS CHECKED OK AND INDICATION OK. (W)
Part Name : DOOR
Part Condition : NOT LATCHED
Part/Defect Loc. : CARGO COMPT
Name : EVERGREEN INTERNATIONAL AIRLINES IN
Submitter Code : Carrier
District Office : Northwest Mountain office #09
Aircraft Manufacturer : BOEING
Aircraft Model : 747238B
Aircraft Serial No. : 20535
Difficulty Date : 10 November 1993
Operator Desig. : CALA
A/C N Number : 17025
Precautionary Procedure : Unsched. Landing
Nature : Other
Stage of Flight : Climb
Discrepancy/Corrective Action:EWR - FLT 0028 - AIRCRAFT CABIN PRESSURE COULD NOT BE MAINTAINED ABOVE 17,000 FEET. ALL PACKS AND DUCT PRESSURE WERE NORMAL AND THERE WERE NO SYSTEM FAIL LIGHTS OR DOOR WARNING LIGHTS. THE AIRCRAFT WAS RETURNED TO EWR. MAINTENANCE FOUND THE AFT CARGO DOOR FORWARD PRESSURE RELIEF DOOR SHROUD CRACKED AND THE DOOR SEAL WAS MISSING. THE DOOR SHROUD AND SEAL WERE REPLACED. THE AIRCRAFT WAS PRESSURIZED AND NO LEAKS WERE NOTED. (W)
Part Name : SHROUD
Part Condition : CRACKED
Part/Defect Loc. : AFT CARGO DOOR
Overhaul : X
Submitter Code : Carrier
District Office : Southwestern US office #09
Aircraft Type : 12501 lbs. and over weight class
Monoplane Low Wing
Powered with 4 Engines
------------------------------------------------------------------------------ATA Code : 5230
Aircraft Manufacturer : BOEING
Aircraft Model : 747251F
Aircraft Serial No. : 23887
A/C Total Time : 29362
A/C Total Cycles : 6796
Difficulty Date : 20 October 1994
Operator Desig. : NWAA
Operator Type : Air Carrier
A/C N Number : 639US
Precautionary Procedure : Unsched. Landing
: Dump Fuel
Nature : Warning Indication
Stage of Flight : Take Off
Station : VHHH
Flight # : 0904
Discrepancy/Corrective Action:AFTER TAKEOFF, AFT CARGO DOOR LIGHT ILLUMINATED. CREW FOLLOWED COCKPIT OPERATING PROCEDURE, DUMPED 75,000 LBS OF FUEL, AND RETURNED TO HKG. FOUND HOOK ACTUATOR DEACTIVATED. REPLACED HOOK ACTUATOR PER MM 52-71-00 AND DOOR WARNING SWITCH (S3) PER MM 52-71-00. PERFORMED CHECK AND UNITS TESTED NORMAL. AIRCRAFT RETURNED TO SERVICE.
Part Name : SWITCH
Manufacture Part Number : C210251
Part Condition : FAILED
Part/Defect Loc. : AFT CARGO
Name : NORTHWEST AIRLINES INC
Submitter Code : Carrier
District Office : Great Lakes office #01
Aircraft Manufacturer : BOEING
Aircraft Model : 747245F
Aircraft Serial No. : 20826
Difficulty Date : 27 November 1994
Operator Desig. : FDEA
Operator Type : Air Carrier
A/C N Number : 640FE
Precautionary Procedure : Unsched. Landing
Nature : Warning Indication
Stage of Flight : Take Off
Station : ORD
Flight # : 77
Discrepancy/Corrective Action:ON ROTATION, AFT CARGO DOOR OPENED. REPLACED SPRING ON LOCK PIN AND ADJ PER MM 52-34-12.
Part Name : SPRING
Manufacture Part Number : MS245851290
Part Condition : FAILED
Part/Defect Loc. : AFT CARGO DOOR
Name : FEDERAL EXPRESS CORP
Submitter Code : Carrier
District Office : Southern US office #04
Aircraft Manufacturer : BOEING
Aircraft Model : 747122
Aircraft Serial No. : 19878
A/C Total Time : 80672
A/C Total Cycles : 18869
Powerplant Manufacturer : PWA
Powerplant Model : JT9D7A
Difficulty Date : 24 October 1994
Operator Desig. : UALA
Operator Type : Air Carrier
A/C N Number : 4717U
Precautionary Procedure : Emer. Descent
Nature : Warning Indication
Stage of Flight : Cruise
Station : NRT
Flight # : 0825
Discrepancy/Corrective Action:AT 37000 FEET UNABLE TO MAINTAIN CABIN PRESSURE. MADE EMERGENCY DESCENT. REPLACED MISSING SEAL ON AFT CARGO DOOR.
Part Name : SEAL
Manufacture Part Number : 60B1000010
Part Condition : MISSING
Part/Defect Loc. : CARGO DOOR
Name : UNITED AIRLINES INC.
Submitter Code : Carrier
District Office : Western/Pacific US office #29
Aircraft Manufacturer : BOEING
Aircraft Model : 747132
Aircraft Serial No. : 19896
Difficulty Date : 14 May 1995
Operator Desig. : EIAA
Operator Type : Air Carrier
A/C N Number : 481EV
Precautionary Procedure : Unsched. Landing
Nature : Warning Indication
Stage of Flight : Climb
Discrepancy/Corrective Action:JFK - LOG PAGE A3752 - AFT CARGO LIGHT ILLUMINATED ON TAKEOFF ROLL ALONG WITH CARGO DOOR ANNUNCIATOR LIGHT ON PILOTS CLEAR SHIELDS. ABNORMAL CHECKLIST COMPLETED AND LANDING WAS UNEVENTUAL. FOUND LOWER AFT CARGO DOOR VENT DOOR RELEASE HANDLE OPEN. RESECURED HANDLE AND OPERATED HANDLE NUMEROUS TIMES. LIGHT OPERATED NORMALLY IAW MM 52-34-0. OPERATION OF AFT CARGO DOOR VENT DOOR HANDLE AND TRIGGER ASSY AND INDICATION SYSTEM ALL CHECKED OK. (X)
Part Name : VENT DOOR HANDLE
Part Condition : NOT SECURED
Part/Defect Loc. : CARGO DOOR
Name : EVERGREEN INTERNATIONAL AIRLINES IN
Submitter Code : Carrier
District Office : Northwest Mountain office #09
Aircraft Manufacturer : BOEING
Aircraft Model : 747251B
Aircraft Serial No. : 23111
A/C Total Time : 45787
A/C Total Cycles : 7155
Difficulty Date : 03 March 1996
Operator Desig. : NWAA
Operator Type : Air Carrier
A/C N Number : 631US
Precautionary Procedure : Unsched. Landing
: Emer. Descent
Nature : Warning Indication
Stage of Flight : Cruise
Station : RPMM
Flight # : 0007
Discrepancy/Corrective Action:DURING CRUISE, PRESSURIZATION AUTO FAIL LIGHT ILLUMINATED ACCOMPANIED BY A LOSS OF PRESSURIZATION. AIRCRAFT DIVERTED TO MNL AND LANDED WITHOUT INCIDENT. REPLACED AIR/GROUND RELAY R229, RIGHT OUTFLOW VALVE ACTUATOR AND AUTO PRESSURE CONTROLLER. REPAIRED DENT IN FORWARD CARGO DOOR DEPRESSOR SEAL AND OPERATIONAL CHECK GOOD.
Part Name : SEAL
Part Condition : DAMAGED
Part/Defect Loc. : CARGO DOOR
Name : NORTHWEST AIRLINES INC
Submitter Code : Carrier
District Office : Great Lakes office #01
Comment: Aft and forward cargo doors leak and open inadvertently. At low altitude, minimum consequences, at high altitude, disastrous consequences.
9 Aug 97
Contents
Boeing 747-131
Trans World Airlines Flight 800
Debriefing
Boeing 747-237B
Air India Flight 182
Debriefing
Boeing 747-121A
Pan Am Flight 103
Debriefing
Boeing 747-122
United Airlines Flight 811
Debriefing
The Type Airplane
The Damage Starts
The Radar Blips
The Sudden Loud Sounds
The Abrupt Power Cuts
The Fodded Engines
The Inflight Damage
The Missing Bodies
The Torn Off Noses
The Wreckage Plots
More Similarities
The Red Herring: Bomb!
Inadvertent Opening of the Forward
Cargo Door in Flight
Forward Cargo Door Section
Introduction
Introduction Photograph
Introduction Page
Big picture
More pictures.
(larger picture with DC-10 door also)
Boeing 747.html
747historycontents.html
747-121dimensions.html
747cargo door and nose
747specsheet.html
747seating.html
747crashes.html
cargodoorfaraway.html
pressurization1.html
pressurization9.html
aerodynamics.html
crashchart0.html
crashchart1.html
Airworthiness Directive 79-17-02.html
Airworthiness Directive 88-12-04
Airworthiness Directive 90-09-06
800summary
variousdooraccidents.html
forwardcargodoorpict.html
Boeing 747 nose picts right side cargo door
cargodoorfaraway.html
Bibliography:
DC-10page146.html
DC-10page147.html
DC-10photorippeddoor.html
DC-10page148.html
DC-10page151.html
DC-10photowreckage.html
DC-10cargodoorcrashp15.html
DC-10crashcontents.html
AI182essentials.html
182summary.html
AirIndiareportcontents.html
125sum.html
PA103essentials.html
103radarblip1.html
103cvrtext1.html
103scancvr1.html
103scandraw0.html
103blipsani.html
103drawrightleftani.html
103reportcontents.html
UAL811essentials.html
811bigholephotobetter.html
811page92conclusions3cause.html
811PS.html
811picture
More pictures of UAL 811 cargo door hole
811reportcontentpage.html
811skiesdoorcontents.html
811page65uncommandeddoor.html
811page67uncommdooranly1.html
811page68uncommdoranly2.html 800streakexplained.html
800radarbipdoor.html
800cargodoor.html
ntsbcommentlatches.html
800avweekintrigue.html
TWA800essentials.html
800newsreports.html
800newsreports1.html
800newsreport2.html
800newsreport3.html
800crashsitemap.html
800wxradar.html
800partsphoto
800engine3.html
800publicappeal.html .
800doorversusfire.html
TBA.html
crashsimilarvariables.html
TWA800PA103UA811.html
747jetroutes.html
747contrails.html
ejection.html
314summary.html
314accidentreport.html