 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ]   J. W. MAGLEY     ]    PASS PROGRAM NOTE        ]      104353      ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE:            ]
 ]   IBM/282-8939     ]      RELEASE NOTE( )        ]      06/20/90    ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ]     OI8B AND SUBS             ]  CREW (X)  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW ( )  GNC (X)  VU ( )  SM/PL ( )]     G1, G3                      ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA:  ABORT, OMS, SEQ                                 ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS:  4.184                                         ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ]     FA1 COMMFAULT DURING OMS/RCS R-T-N CONNECTS OMS AND RCS TANKS   ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ]  THE PRESENCE OF A COMMFAULT ON FA1 DURING A RETURN TO NORMAL       ]
 ]  CONFIGURATION FROM AN ABORT OMS/RCS INTERCONNECT WILL PREVENT      ]
 ]  AUTOMATIC CLOSURE OF THE OMS CROSSFEED VALVES (REQUIRES COMMANDS   ]
 ]  ON FA1 AND FA2).  THE LEFT POD RCS CROSSFEED VALVES WILL ALSO      ]
 ]  REMAIN OPEN TO ENSURE PROPELLANT FLOW TO THE RCS 1/2 MANIFOLDS,    ]
 ]  SINCE THE FA1 COMMFAULT PREVENTS CONFIRMATION THAT THE LEFT RCS    ]
 ]  1/2 ISOLATION VALVES HAVE OPENED.  THIS RESULTS IN CONNECTION OF   ]
 ]  THE OMS TANKS TO THE LEFT RCS TANKS.                               ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ]                                                                     ]
 ]   BE AWARE OF THE ABOVE BEHAVIOR.  THE GROUND WILL INFORM THE CREW  ]
 ]   IF A MANUAL CONFIGURATION OF THE OMS CROSSFEED VALVES IS NEEDED   ]
 ]   DUE TO AN FA1 COMMFAULT.                                          ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM: PATTI A. THORNTON    DATE 07/24/90]                             ]
 ]    --------------------      ---------]                             ]
 ]FDSD:   SAM ANKNEY        DATE 07/30/90]                             ]
 ]     -------------------      ---------]DARRELL E. STAMPER  08/03/90 ]
 ]PF MGR: KENNETH R. KROLL  DATE 08/01/90]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
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