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In taking the first opportunity, Endeavour had her wheels on the ground at the SLF at 02:35 EDT. “Per flight rule a Bus Tie was performed and no other immediate actions are needed.” The Fuel Cell is performing nominally but is being analyzed at each days Fuel Cell Monitoring System downlink,” noted MER information (L2). “Fuel Cell 2 Substack 1 CPM Intermittent Self Test Fail has occurred several times in the last 24 hours. The second related to Fuel Cell 2’s self test health and status sensor, which is used to test the status of the three Fuel Cells every seven minutes. One “funny” – MER terminology for a minor issue – was noted on the HUD (Heads Up Display) Checkout, relating to a configuration issue, which was soon resolved. Only two issues of late have been evaluated by engineers at the Mission Evaluation Room (MER), both of which related to the checkout operations. Endeavour landed at the Shuttle Landing Facility (SLF) at 2:35am Eastern, after the first return opportunity was taken.įollowing undocking and preparations for Entry – which included the Flight Day 15 Flight Control Surfaces (FCS) checkouts, Reaction Control System (RCS) hotfire and communication checks with ground stations, Endeavour’s crew worked towards the first landing opportunity with a high degree of confidence due to favorable weather forecasts.Īs expected, the Go was given to conduct the deorbit burn – which took place at 01:32 Eastern.
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Following a lengthy, yet highly successful, STS-134 mission, Endeavour has landed at the Kennedy Space Center (KSC) to conclude her service in space, ahead of a premature retirement to California.