NASA Photo ID: S90-47873           File Name: 10063923.jpg
  Film Type: 120mm                   Date Taken: 09/11/90
  Title: STS-35 Columbia, OV-102, aft fuselage LRU hydrogen recirculation pump
  Description:
  Closeup view shows the aft fuselage line replaceable unit (LRU) hydrogen 
  recirculation pump from Columbia, Orbiter Vehicle (OV) 102.  The pump is 
  being tested at JSC's Thermochemical Test Area (TTA) Support Laboratory
  Bldg  350.  JSC technicians ran the pump package through the battery of
  leak tests.  Preliminary indications showed only minor, acceptable leakage
  from the  package and Kennedy Space Center (KSC) technicians have replaced
  a crushed  seal on the prevalve of the main propulsion system they believe
  may have  caused the STS-35 hydrogen leak.              
  
  Subject terms:
  COLUMBIA (ORBITER)                      
  LIQUID HYDROGEN                         
  PUMPS                                   
  RECIRCULATIVE FLUID FLOW                
  SPACE SHUTTLE MAIN ENGINE               
  STS-35
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