Air carrier widebody transport dumped fuel after passenger door 4R opens after takeoff. Return land.

Attributes
ACN	217203
Time
Date	199207
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : bos
State Reference	MA
Altitude	agl bound lower : 500 agl bound upper : 5000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : bos
Operator	common carrier : air carrier
Make Model Name	Widebody, Low Wing, 3 Turbojet Eng
Navigation In Use	Other
Flight Phase	climbout : initial cruise other landing other
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : atp pilot : cfi pilot : commercial pilot : flight engineer
Experience	flight time last 90 days : 150 flight time total : 4600 flight time type : 1800
ASRS Report	217203
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical non adherence other other anomaly other
Independent Detector	other flight crewa other other : unspecified
Resolutory Action	flight crew : declared emergency other
Consequence	Other Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Door (4R) improperly locked, came open (approximately 2') just after getting off the runway. Received call from flight attendant in back. At that point we leveled off, got vectors to dump fuel. After 75000 pounds of fuel pumped we returned for a normal landing and taxied to the gate. MEL has now been changed to prevent further occurrences.

Original NASA ASRS Text

Title: ACR WDB DUMPED FUEL AFTER PAX DOOR 4R OPENS AFTER TKOF. RETURN LAND.

Narrative: DOOR (4R) IMPROPERLY LOCKED, CAME OPEN (APPROX 2') JUST AFTER GETTING OFF THE RWY. RECEIVED CALL FROM FLT ATTENDANT IN BACK. AT THAT POINT WE LEVELED OFF, GOT VECTORS TO DUMP FUEL. AFTER 75000 POUNDS OF FUEL PUMPED WE RETURNED FOR A NORMAL LNDG AND TAXIED TO THE GATE. MEL HAS NOW BEEN CHANGED TO PREVENT FURTHER OCCURRENCES.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.