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Lessons Learned – Faulty Chair Mechanism

contributor authorNASA - National Aeronautics and Space Administration (NASA)
date accessioned2017-09-04T17:30:51Z
date available2017-09-04T17:30:51Z
date copyright36845
date issued2000
identifier otherCVTEQCAAAAAAAAAA.pdf
identifier urihttp://yse.yabesh.ir/std/handle/yse/153760
description abstractDescription of Driving Event:
JSC employees fell out of their office chairs when they broke. One employee was injured; the other was not. These two events were several months apart.
The model that broke is an adjustable, high-back, gray chair made by Dauphin North America, product code # SL1939 1995 model.
The investigation found fractures in the mechanism that attaches the backrest to the base. The manufacture confirms that the metal in the mechanism is not strong enough to withstand repeated stress and strain. Both failures occurred when the chair was unlocked in the full recline position.
The chairs are under warranty. Dauphin North America is manufacturing new mechanisms to replace the ones on the 1995 models. The 1996 models and succeeding have the stronger mechanism.
languageEnglish
titleNASA-LLIS-0931num
titleLessons Learned – Faulty Chair Mechanismen
typestandard
page2
statusActive
treeNASA - National Aeronautics and Space Administration (NASA):;2000
contenttypefulltext
subject keywordsEnvironment
subject keywordsFacilities
subject keywordsHardware
subject keywordsHuman Factors
subject keywordsLogistics
subject keywordsOccupational Health
subject keywordsProcurement Small Business & Industrial Relations


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