 +_____________________________________________________________________
 ] AUTHOR:            ]                             ] DR:              ]
 ] PAUL TICE          ]    PASS PROGRAM NOTE        ]     104860       ]
 ]____________________]                             ]__________________]
 ] ORG/PHONE:         ] OPS NOTE (X)  USER NOTE ( ) ] DATE:            ]
 ] IBM/282-7297       ]      RELEASE NOTE( )        ]     12/03/91     ]
 ]____________________]_____________________________]__________________]
 ] OI/FLIGHT EFFECTIVITY:        ]  USER AFFECTED:                     ]
 ] OI20 THRU OI22                ]  CREW (X)  GROUND (X)  DUMP ONLY ( )]
 ]_______________________________]_____________________________________]
 ]        MAJOR SOFTWARE AREA:       ] OPS MODES AFFECTED:             ]
 ]SSW (X)  GNC ( )  VU ( )  SM/PL ( )] G3                              ]
 ]_____________________________________________________________________]
 ] SOFTWARE SUB-AREA: TRANSITIONS                                      ]
 ]_____________________________________________________________________]
 ] PRINCIPAL FUNCTIONS: SICC                                           ]
 ]_____________________________________________________________________]
 ] TITLE: GPC FTS AT OPS 3 OVERLAY                                     ]
 ]                                                                     ]
 ]_____________________________________________________________________]
 ] DESCRIPTION:                                                        ]
 ] ONE OR MORE GPCS COULD FAIL-TO-SYNC (FTS) DURING AN OPS TRANSITION  ]
 ] TO G3 UNDER THE FOLLOWING CONDITIONS:                               ]
 ]  1. THE OPS 3 TRANSITION IS ALSO A REDUNDANT SET (RS) EXPANSION, AND]
 ]  2. G3 ARCHIVE RETRIEVE IS ENABLED (SPEC 1, ITEM 49).               ]
 ]                                                                     ]
 ] THE FTS CAN OCCUR DUE TO THE PRIORITIES OF VARIABLE BUFFER ICC      ]
 ] MESSAGES AND THE ADDITIONAL ICC VARIABLE BUFFER MESSAGES SENT       ]
 ] DURING AN OPS TRANSITION WITH RS EXPANSION.  TRANSMISSION OF THE    ]
 ] G3 ARCHIVE STATUS VARIABLE ICC MESSAGE TO GPCS BEING ADDED TO THE   ]
 ] RS MAY BE DELAYED CAUSING DIVERGENT PROCESSING BETWEEN GPCS ALREADY ]
 ] IN THE RS AND THOSE BEING ADDED, I.E. NEW GPCS ARE DEPENDENT ON     ]
 ] THIS ICC DATA TO DETERMINE THE SOURCE OF THE OVERLAY.  THE FTS CAN  ]
 ] OCCUR WHETHER OR NOT THE GPC(S) BEING ADDED TO THE G3 RS HAVE A     ]
 ] VALID COPY OF THE G3 ARCHIVE.  G2 GPCS WHICH PERFORM AN ACTUAL G3   ]
 ] ARCHIVE RETRIEVE WILL ALWAYS COMPLETE THE OPS TRANSITION SUCCESS-   ]
 ] FULLY.                                                              ]
 ]                                                                     ]
 ] NOTE: THE FAST TAL CAPABILITY (G1-TO-G3 TRANSITION WITH G3 ARCHIVE) ]
 ]       DOES NOT INVOLVE A G3 RS EXPANSION.                           ]
 ]_____________________________________________________________________]
 ]USER RESPONSE:                                                       ]
 ]                                                                     ]
 ] DO NOT PERFORM A RS EXPANSION ON A G3 OPS TRANSITION USING G3       ]
 ] ARCHIVE AS THE SOURCE OF THE OVERLAY.  HOWEVER, IF ONE IS ATTEMPTED ]
 ] AND THE FTS OCCURS, A G3 OPS MODE RECALL CAN BE PERFORMED TO ADD    ]
 ] A GPC OR GPCS IN THE COMMON SET TO THE GPC(S) IN G3.                ]
 ]_____________________________________________________________________]
 ]CONCURRENCE:                           ]APPROVAL:                    ]
 ]IBM: PATTI A. THORNTON    DATE 12/17/91]                             ]
 ]    --------------------      ---------]                             ]
 ]FDSD: ROBERT N. HINSON    DATE 12/17/91]                             ]
 ]     -------------------      ---------] S. N. HARDEE, JR.  12/20/91 ]
 ]PF MGR:ELIZABETH FOUNTAIN DATE 12/17/91]------------------- -------- ]
 ]       ------------------     ---------] CHAIRMAN, SASCB      DATE   ]
 ]_______________________________________]_____________________________]
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