 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] SMS: B22608      ]
 ]  RENE SAUSER       ]    BFS PROGRAM NOTE         ] DR: 108580       ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE:            ]
 ] RID/(310)922-4164  ]      RELEASE NOTE ( )       ]  16 AUGUST 1993  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ] OI-23 & SUBS                  ]  CREW ( )  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]           MAJOR SOFTWARE AREA:            ] OPS MODES AFFECTED:     ]
 ]BSL( ) BSS( ) GNC( ) SEQ(X) SM/SP( ) IPL( )]       OPS 1             ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA: SEQ                                              ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS:  MG038120/3.3.1.6                              ]
 ]_____________________________________________________________________]
 ] TITLE:                                                              ]
 ] ENGINE STATUS WORD AND TIME REFERENCE WORD GO STALE AT LO2_DUMP_STOP]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ] DURING NOMINAL ASCENT WITH BFS ENGAGED, THE ME_HIP_IN SEQUENCE IS   ]
 ] DETACHED WHEN LO2_DUMP_STOP IS ISSUED AND ET SEP HAS OCCURRED. AS A ]
 ] RESULT OF HIP DETACHMENT THE DOWNLISTED ENGINE STATUS WORD AND TIME ]
 ] REFERENCE WORD WILL GO STALE. IN ADDITION, COMMAND PATH VALIDATION  ]
 ] WILL NOT BE PERFORMED ON LO2_DUMP_STOP.                             ]
 ]                                                                     ]
 ] THE STALE ENGINE STATUS WORD AND TIME REFERENCE WORD DO NOT PRESENT ]
 ] A PROBLEM TO GROUND SUPPORT OR CREW. IF LO2_DUMP_STOP EXPERIENCES A ]
 ] COMMAND PATH FAILURE AT THE TIME WHEN THE HIP IS DETACHED AND NO    ]
 ] COMMAND PATH VALIDATION IS BEING PERFORMED, THE FAILURE WILL NOT BE ]
 ] VISIBLE. BUT, SINCE NO CREW/GROUND RESPONSE IS REQUIRED/DESIRED THIS]
 ] ALSO DOES NOT PRESENT A PROBLEM.                                    ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ] BE AWARE THAT IF BFS IS ENGAGED AND ET SEPARATION HAS OCCURRED, THAT]
 ] WHEN THE LO2_DUMP_STOP COMMAND IS SENT TO THE HIP THE BACKUP EVENTS ]
 ] CONTROLLER WILL DETACH ME_HIP_IN. AS A RESULT THE DOWNLISTED ENGINE ]
 ] STATUS WORD AND TIME REFERENCE WORD WILL GO STALE (THE ENGINE STATUS]
 ] WORD WILL REMAIN IN OX_DUMP) AND COMMAND PATH VALIDATION WILL NOT BE]
 ] PERFORMED FOR THE LO2_DUMP_STOP COMMAND.                            ]
 ]                                                                     ]
 ] NO CREW RESPONSE IS REQUIRED/DESIRED.                               ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]RI: <S> J. AGRES          DATE 08/19/93]                             ]
 ]    --------------------      ---------]                             ]
 ]FDSD:   W. R. PRUETT      DATE 10/15/93]                             ]
 ]     -------------------      ---------] DARRELL E. STAMPER 01/07/94 ]
 ]PF MGR:   DAVE RIGBY      DATE 01/07/94]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_____________________________________________________________________]
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