 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ]  SONIA KANE        ]    PASS PROGRAM NOTE        ]     37678        ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE ( )  USER NOTE (X) ] DATE: 05/17/86   ]
 ]  IBM/282-7386      ]      RELEASE NOTE( )        ] REV A: 06/06/89  ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ] REL 18 AND SUBS               ]  CREW (X)  GROUND ( )  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW ( )  GNC (X)  VU ( )  SM/PL ( )]         G1                      ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA: SEQ                                              ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: 4.165, 4.181                                   ]
 ]_____________________________________________________________________]
 ] TITLE:       INCORRECT LIMIT CONTROL COMMANDS ISSUED                ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ] IF THE SSME LIMIT SHUT DOWN SWITCH IS CHANGED FROM A MANUAL POSITION]
 ] (ENABLE OR INHIBIT) TO THE AUTO POSITION AFTER AN ENGINE HAS        ]
 ] SHUTDOWN OR HAD A DATA PATH FAILURE, INCORRECT LIMIT CONTROL COM-   ]
 ] MANDS WILL BE ISSUED. UPON RETURNING TO THE AUTO POSITION AFTER AN  ]
 ] ENGINE FAILURE, "INHIBIT" SHOULD BE ISSUED TO THE TWO GOOD ENGINES; ]
 ] INSTEAD, "INHIBIT" WILL BE ISSUED FOR THREE PASSES ONLY, FOLLOWED   ]
 ] BY "ENABLE" ON THE FOURTH PASS. THIS OCCURS BECAUSE THE SSME OPS    ]
 ] ISSUES "INHIBIT" AND "ENABLE" SIMULTANEOUSLY FOR THREE PASSES AND   ]
 ] THE SSME SOP RESPONDS (PER REQUIREMENTS) BY ISSUING THE "INHIBIT"   ]
 ] COMMAND TO THE EIU. SINCE NO REQUIREMENT EXISTS TO TERMINATE THE    ]
 ] "ENABLE" COMMAND, THE SSME SOP SEES IT ON THE FOURTH PASS AND RE-   ]
 ] SPONDS BY ISSUING "ENABLE" TO THE EIU.                              ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]USER RESPONSE:                                                       ]
 ] CONTINUE WITH CURRENT PROCEDURE. THAT IS, IF IT IS DESIRED TO       ]
 ] HAVE THE ENGINES REMAIN INHIBITED, DO NOT RETURN THE LIMIT CONTROL  ]
 ] SWITCH TO THE AUTO POSITION ONCE IT HAS BEEN MOVED TO A MANUAL      ]
 ] POSITION.                                                           ]
 ]                                                                     ]
 ]                                                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM: WYATT COOPER         DATE 06/29/89]                             ]
 ]    --------------------      ---------]                             ]
 ]SSD: SAM ANKNEY           DATE 07/14/89]                             ]
 ]    --------------------      ---------] M.C. GREMILLION    08/20/89 ]
 ]PF MGR: DAVE RIGBY        DATE 08/14/89]------------------- -------- ]
 ]       -----------------      ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
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