 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] SMS:  B22542     ]
 ]    R. LOHMANN      ]    BFS PROGRAM NOTE         ] DR:  102134      ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE:  1-12-90   ]
 ]                    ]      RELEASE NOTE ( )       ]                  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ]     OI-8B AND SUBS            ]  CREW (X)  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]           MAJOR SOFTWARE AREA:            ] OPS MODES AFFECTED:     ]
 ]BSL( ) BSS( ) GNC( ) SEQ(X) SM/SP( ) IPL( )]   1                     ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA:  SEQ                                             ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS:  MG038120 / SSME OPS 3.3.1.3                   ]
 ]_____________________________________________________________________]
 ] TITLE: BFS ANNUNCIATION OF SSME FAIL LIGHTS AFTER ET SEP            ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ]                                                                     ]
 ] IF BFS IS ENGAGED AFTER PASS HAS COMMANDED ET SEP, AND BEFORE       ]
 ] MECO + 20 SECONDS, WHICH IS A SMALL TIME WINDOW, THE BFS            ]
 ] SYSTEM WILL COMMAND THE SSME STATUS RED LIGHTS BACK ON FOR APPROX.  ]
 ] 5 SECONDS. NORMALLY AT ET SEP THE SSME STATUS LIGHTS ARE COMMANDED  ]
 ] OFF.                                                                ]
 ] THE BFS SYSTEM WILL STILL SCHEDULE THE SSME OPS SEQUENCE TO RUN IF  ]
 ] BFS IS ENGAGED UP UNTIL 3 SECONDS AFTER ET SEP FOR A NOMINAL        ]
 ] MISSION, OR 7 SECONDS AFTER ET SEP FOR A RTLS. THE SSME OPS         ]
 ] WILL REPEAT ALL ITS NORMAL FUNCTIONS INCLUDING TURN ON THE SSME     ]
 ] STATUS LIGHTS.                                                      ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ]                                                                     ]
 ] THE USER SHOULD BE AWARE THAT IF BFS IS ENGAGED BETWEEN PASS        ]
 ] COMMANDED ET SEP AND MECO + 20 SECONDS THAT THE SSME STATUS RED     ]
 ] LIGHTS, WHICH PASS COMMANDED OFF AT ET SEP, WILL BE COMMANDED ON    ]
 ] BY BFS FOR APPROXIMATELY 5 SECONDS. NO CREW ACTION IS REQUIRED      ]
 ] AND BFS WILL TURN THESE LIGHTS OFF AFTER APPROXIMATELY 5 SECONDS.   ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]RI: <S> C. PURTELL        DATE 01/15/90]                             ]
 ]    --------------------      ---------]                             ]
 ]SSD: SAM ANKNEY           DATE 02/06/90]                             ]
 ]    --------------------      ---------] M.C. GREMILLION    02/08/90 ]
 ]PF MGR: D.W. MAY          DATE 02/08/90]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_____________________________________________________________________]
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