 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] SMS: B20535      ]
 ]  DOUG CORBIN       ]    BFS PROGRAM NOTE         ] DR:  102139      ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE: 2/01/90    ]
 ]  RID/(213)922-4164 ]      RELEASE NOTE ( )       ] REV A: 10/24/91  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ]  OI8B AND SUBS                ]  CREW (X)  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]           MAJOR SOFTWARE AREA:            ] OPS MODES AFFECTED:     ]
 ]BSL( ) BSS(X) GNC( ) SEQ(X) SM/SP( ) IPL( )]   1, 3                  ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA:  ANNUNCIATION                                    ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: STS83-0020D/B.4.112.1.5 AND MG038120/3.3.1.10.3]
 ]_____________________________________________________________________]
 ] TITLE:  BFS GAX AND SEQ FAULTS NOT REANNUNCIATED AFTER A LAUNCH     ]
 ]         RECYCLE OR BFS ACTIVATION FOR DEORBIT PREPARATION           ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ] IF VARIOUS GAX AND/OR SEQUENCING MESSAGES ARE ANNUNCIATED IN OPS 1  ]
 ] OR 3, AND BFS IS MODED TO OPS 0 (WHILE THE ERROR CONDITION STILL    ]
 ] EXISTS), THEY WILL NOT BE ANNUNCIATED AGAIN IF THE ERROR CONDITION  ]
 ] STILL EXISTS WHEN TRANSITIONING BACK FROM OPS 0 TO OPS 1 OR 3.      ]
 ]                                                                     ]
 ] COMMON MESSAGES INCLUDE FDA ERROR CODES #319 'MPS LH2/O2 ULL'       ]
 ] AND #000 'F RCS JET'.                                               ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] USER RESPONSE:                                                      ]
 ]                                                                     ]
 ] BE AWARE THAT THESE MESSAGES WILL NOT BE REANNUNCIATED AFTER A      ]
 ] LAUNCH RECYCLE OR BFS ACTIVATION FOR DEORBIT PREPARATION.           ]
 ]                                                                     ]
 ] IF THE USER DESIRES TO SEE THESE MESSAGES REANNUNCIATED, IT WILL    ]
 ] BE NECESSARY TO RE-IPL THE BFS.                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]RI: <S> J. AGRES          DATE 10/31/91]                             ]
 ]    --------------------      ---------]                             ]
 ]FDSD: ROBERT N. HINSON    DATE 12/05/91]                             ]
 ]    --------------------      ---------] S. N. HARDEE, JR.  12/19/91 ]
 ]PF MGR:  D. STEPHENSON    DATE 12/17/91]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_____________________________________________________________________]
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