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LISTEN MODE

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Users Of On-board Shuttle Flight Software

ORIGTNAIC PAGE IS OF POOR QUALIW

THERE ARE NINE PLACES WHERE ON-BOARD PRIMARY SOFTWARE DEVELOPED FOR’THE SPACE SHUTTLE MAY BE I N USE:

o VEHICLE I N ORBIT

o

o

o SHUTTLE MISSION SIMULATOR (SMS)

o

o SOFTWARE DEVELOPMENT FACIL ITY (SDF)

VEHICLE AT CAPE CANAVERAL PREFLIGHT (KSC)

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SHUTTLE AVIONICS INTEGRATION LABORATORY (SAIL

o SOFTWARE PRODUCTION FACILITY (SPF)

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NEW ORBITER UNDER CONSTRUCTION AT PALMDALE

VEHICLE AT VANDENBERG AFB PREFLIGHT (VLS)

pe-t-.lr sg;?g SPACE SHUTTLE PROGRAMS

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S IMULAT I ONS AND TRAINING

I N FLIGHT

0 VERBAL DESCRIPTIONS 0 VEHICLE DYNAMICS 0 LOG OF KEYBOARD INPUTS 0 MEMORY DUlYPS 0 TELEMETRY DOWNLIST 0 C0N:OLE LOGS 0 TABULAR PARAMETRIC DATA

I I 1 I 1 I 1 I I 7

0

VERI F I CAT I ON AND TESTING 2F

PROBLEM

RESOLUTION

GROUND SUPPORT

MATRIX OF EXPERT I SE

I Page-

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Page 42: H z u 0 d U > v) U * 3 - NASA · s imulat i ons and training in flight 0 verbal descriptions 0 vehicle dynamics 0 log of keyboard inputs 0 memory dulyps 0 telemetry downlist

1, QUESTION THE WITNESS - WHAT D I D HE OBSERVE

2 s ' DETERMINE FLIGHT SCENARIO SURROUNDING PROBLEM

MEMORY CONFIGURATION MANEUVERS EXECUTED KEYSTROKES ENTERED FA1 LURES EXPERIENCED

I

3, SEARCH FOR USERS WITH ~

S I M I I A R SYMPTOMS

Page 43: H z u 0 d U > v) U * 3 - NASA · s imulat i ons and training in flight 0 verbal descriptions 0 vehicle dynamics 0 log of keyboard inputs 0 memory dulyps 0 telemetry downlist

0 USE APPROPRIATE DIAGNOSTIC TECHNIQUES

0 PROGRATI CROSS REFERENCE

0 NAGNIFIED TIMELINES

0 CAUSE AND EFFECT GRAPHS

0 CYCLIC/MULTIPASS EVALUATIONS

0 TRAP PATCHES/TRACES

0 PROCESS DESENSITIZATION

0 COMMON DENOMINATOR DETERMINATION

0 EVALUATE FSW RESPONSE TO HYPOTHESIZED INPUTS

o CODE WALK-THROUGHIMENTAL INSPECTION

0 EXECUTION TEST

0 REVISE HYPOTHESIS

0 CHALLENGE ASSUMPTIONS

Page 44: H z u 0 d U > v) U * 3 - NASA · s imulat i ons and training in flight 0 verbal descriptions 0 vehicle dynamics 0 log of keyboard inputs 0 memory dulyps 0 telemetry downlist

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ORIGINAL PAGE X OF POOR QUALITY

THE GNaC FSW PROBI FM ANA1 YSIS PROCFSS c

I I FACT FINDING

DEFINITION OF PROBLEM CSTABLISM

'WHAT I S THE PROBLEM". tOlRECTLY CONTACT WITNESS) THE SCENARIO WHICH LEO TO THE PROBLEM AND THE ENVIRONMENT. SYSTEM. A N 0 FSW CONFIGURATIONS - FAULTS. FAILURES ENCOUNTERED - EXTERNAL STIMULI - JOFTWARE V E R G N - SOFTWARE ALTERATIONS APPLIED WHETHER OTHER USERS EXPERIENCED SIMILAR SVMPTOMS THE "CORRECT" SOFTWARE RESPONSE TO THE CONOITIONS ENCOUNTERED IREVIEW REOUIREMENTSI

THE USER

REITERATE ISOLATION OF PROBLEM AREAS A

SVMCTOUATIC INWT TO

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P E C I A L TECMNIWES e-

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IOENTIFV THE MOST "IMMEOIATE' SOFTWARE SYMPTOM 1E.G.. FLAG TURNEO OFF. VALUE WRONG,..) BASE0 ON CURRENT UNDERSTANDING AN0 DATA

CODE"1 WHICH PROWCEO THE IMMEOIATE SYMPTOM

IMMEDIATE SYMPTOM

ISOLATE SOFTWARE PROCESS. iTnE "SUSPECT UNIT OF

0 INSPECT CODE WITHIN SUSPECT UNIT FOR CAUSE O f

INVEST1 GAT1 ON I PERFORM APPROPRIATE DIAGNOSTIC TECHNIOUES IEACH I S OPTIONAL) - PROGRAM CROSS-REFERENCE - ._ - MAGNIFIED TiMELINES - CAUSE A N 0 EFFECT GRAPHS

-CYCLIC OR MULTI-PASS EVALUATIONS - " T R A F PATCHES OR TRACES - PROCESS OESENSITIZATION TO

- COMMON DENOMINATOR DETERMINATION SELECTED INPUTS

0 EVALUATE COOE UNIT REYONSE TO INPUTS

~

I ,/I INTERPRETATION OF CLUES I RESULTS OF ACPLICATION Of DIAGNOSTIC

- FOR NEW CLUES - FOR INTERMEDIATE SVMCTOMS

TECHNIOUES REVIEWEO

RE-EVALUATION OF THEORIES CHALLENGE ASSUMPTIONS P R E v i w s L v USED TO ELIMINATE ALTERNATE EXPLANATIONS

CONDITIONS" THOUGHT TO HAVE PROWCED IMMEDIATE SVMPTOMS IHYPOTHESIZE A SCENARIO)

COOE ITEST CASE. EXECUTION OR MENTAL COOE - WALU - THRUI

0 SEARCH FOR LATENT IPREVIWSLV UNRECOGNIZED1 SIGNATURES Of THESE ALTERNATE EXPLANATIONS

DEFINE INPUTS TO SUSPECT SOFTWARE UNIT OR "STRESSED

wmr THE HVPOTHESIZED INPUTS OR SCENARIO TO SUSPECT RE-EVALUATlOn OFCROBLEM i HVK)THESM

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EXACTLV. *WHAT IS THE ntxn PROELEM"? 0 WHAT OTHER FACTORS CAUSE PROBLEM TO IlE MANIFESTED? 0 WHAT OTHER EFFECTS CAN THIS PROBLEM PIIOOUCE? 0 IM*LICATIONS TO USER. A N 0 AVAILABLE WORK-AROUNDS

0 IMPACT TO CORRfCT THE PROBLEM IN COOE DETERMINE0

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M K E RECOMMENDATION FOR SOLUTION - MODICV COOE - OOCUMENT PROBLEM

A N 0 WORK- AROUNM

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45

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WEIGHT RATIO ( F T x l o 4 ) 42

41

40 60 61 62 63 64 65 66

RANGE TO RUNWAY (FTx lod 1

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NOMINAL (IDEAL) PASS DEVELOPMENT AND RECONFIGURATION ACTIVITY

I I I I I I I I I I I I I I I I I I I I I

"OPERATIONAL INCREMENT PLAN/FLT-TO-FLT RECONFIGURATION PLAN"

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ACTUAL PASS-DEVELOPMENT AND RECONFIGURATION ACTIVITY

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Page 69: H z u 0 d U > v) U * 3 - NASA · s imulat i ons and training in flight 0 verbal descriptions 0 vehicle dynamics 0 log of keyboard inputs 0 memory dulyps 0 telemetry downlist

ORIGINAL‘ PA-CE IS OF POOR QUALITY

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APPENDIXaC

ACRONYMS

A- 1

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- ACRONYMS

BCLMAKER

BFS

BFSPLP

CCB

CI

CI P

CITE

CLASS 1

CMC

CMDB

CPU

CR

c. CSECT

DBA

DCCB

DCR

DDRB

DL OR D/L

DLP

DPSD

DR

DSN

FACl

FCCB

FElD c

BUILD CONTROL LIST MANAGER

BACKUP FLIGHT SYSTEM

BFS PAYLOAD PREPROCESSOR

CONFIGURATION CONTROL BOARD

CONFl G URATION INSPECTION

CLASS 1 INTEGRATION PLAN

CARGO INTEGRATION TEST EQUIPMENT

FSW CAPABILITY UPDATE

CONFIGURATION MANAGEMENT & CONTROL

CONFIGURATION MANAGEMENT DATA BASE

CENTRAL PROCESSING UNIT - CHANGE REQUEST (Used Interchangeably With SCR)

. CONTROL SECTION

DATA BASE ADMINISTRATOR

DATA CONFIGURATION CONTROL BOARD

DATA CHANGE REQUESTS

DEVELOPMENT DISCREPANCY REVIEW BOARD

DOWN LIST

DOWNLIST PREPROCESSOR

DATA PROCESSING SYSTEM DIVISION

DISCREPANCY REPORT FOR FSW

DATA SET NAME

FIRST ARTICLE CONFIGURATION INSPECTION

FACILITIES CHANGE CONTROL BOARD

FLIGHT EQUIPMENT INTERFACE DEVICE

A-2

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c

F LPS

FRF

F sw GFE

GMEM

GTL

HDW

HSM

IBCB

IBM

IDRB

IDS

IL OR I/L

IMRB

IMS

J ES

JSC

KSC

L6

L7

L8

MAST

MCC

MDBINIT

MIP

MM

MMI

ACRONYMS

FLIGHT LOAD PREPARATION SYSTEM

FLIGHT READINESS FIRING

FLIGHT SOFTWARE

GOVERNMENT FURNISHED EQ U I PM ENTA N FO R MAT10 N

GENERAL MEMORY READMIRITE PROCEDURE

GENERICTRAINING LOAD

HARDWARE

HIERARCHICAL STORAGE MANAGEMENT

INTEGRATED BASELINE CONTROL BOARD

INTERNATIONAL BUSINESS MACHINES

INTEGRATED DISCREPANCY REVIEW BOARD

ILOAD DATA SET

I NIT1 ALlZATl ON LOAD

INTERIM MASTER RECONFIGURATION BASE

INFORMATION MANAGEMENT SYSTEM

JOB ENTRY SUBSYSTEM

JOHNSON SPACE CENTER

KENNEDY SPACE CENTER

LEVEL 6 DETAIL FUNCTIONAL TESTING

LEVEL 7 CAPABILITIES PERFORMANCE TESTING

LEVEL 8 RECONFlGURATlON PERFORMANCE TESTING

MEASUREMENT AND STIMULUS DATA BASE

MISSION CONTROL CENTER

M EMBER DATABAS E I NlTlALlZATl ON

MASS MEMORY INTEGRATION PLAN

MASS MEMORY

MASS MEMORY IMAGE

A-3

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ACRONYMS

MMU

MOCRB

MOD

MODRB

MRAS

MRB

MSFC

MVS

OASCB

01

ORG

MASS MEMORY UNIT

MISSION OPERATIONS CHANGE REVIEW BOARD

MISSION OPERATIONS DIRECTORATE

MISSION OPERATIONS DISCREPANCY REVIEW BOARD

MAINTENANCE RELEASE AUTHORIZATION

MASTER RECONFIGURATION BASE

MARSHALL SPACE FLIGHT CENTER

MULTIPLE VIRTUAL STORAGE

ORBITER AVIONICS SOFTWARE CONTROL BOARD

OPERATIONAL INCREMENT (BASE FSW SYSTEM)

ORGANIZATION

OSDR

PASS . PRIMARY AVIONICS SOFTWARE SUBSYSTEM

OPERATION SH UlTLE DATA R ECONFIG U RATJON

c PCO PATCH CUT-OFF

c

PCR

PRCB

PRN

FSCR

PSDR

PSF

R&E

RASS

RCV

RECON

RElAUTH

RI/D

RM

PROGRAM CHANGE REQUEST

PROGRAM REQUIREMENTS CONTROL BOARD

PROGRAM RELEASE NOTICE

PRODUCTION S O M A R E CHANGE REQUEST

PRODUCTION SOFTWARE DISCREPANCY REPORT

PARAMETER SPECIFICATION FILE

RESEARCH AND ENGINEERING

RELEASE AUTHORIZATION SIGNATURE SH E ET

RECEIVING

R ECONFl G 3 RATION (FLl G HT-TO-FLI G HT)

RELEASE AUTHORIZATION

ROCKWELL INTERNATIONAUDOWNEY

ROOM (AS IN FRONTROOM OR' BACKROOM)

A-4

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' ACRONYMS

RSD

RSOC. c

RT&O

SAS

SCCB

SCR

SDF

SM

SMP

SPF

SPIF

SPT

SRC

SRR

SSD

SSDR

STAR

STS

STSOC

RECON FI G U RAT1 0 N SYSTEM 5 0 €&5'%2RWEi%T

ROCKWELL SHUTTLE OPERATlOk&QQ%7P$iiUN

RECON TEST & OPERATIONS CONcRX& EK3RRD2

SOFNVARE APPROVAL SHEET

SO FnrVAR E CON FlGU RATIO N COIITRQI- W R O )

SOFTWARE (CAPABILITY) CHANG5REQUEST -

SOFTWARE DEVELOPMENT FACIUJW

1. SYSTEM MANAGEMENT AS IN"S&?1FiSURCI"' 2. SUBMITTRANSACTION AS IN 'WJEMl~R-~DZ.

ELEMENT VIA SM TRANSACTlGNSlIMiIfiBY

SYSTEMS MANAG EM ENT PR EPRaKZ3SGlR

SOFNVARE PRODUCTION FACILIW

SHUlTLE PAYLOAD lNTEGRATlO& FMIUlW

SUPPORT \

SOURCE

SORWARE READINESS REVIEW

SPACECRAFT SOTTWARE DIVISION:

SUPPORT SOFTWARE DISCREPANCY RlEmB

SPACE TRANSPORTATION AUTOMATED RECONFIGURATION

SPACE TRANSPORTATION SYSTEM:

SPACE TRANSPORTATION SYSTEMI Q~P~IPA~~QNs-, CONTRACT

SW OR S i W SOFTWARE

SYNVAT SYSTEM NAME VALIDATION TABiam1SnnD8j

T & O TEST & OPERATIONS

TCT TEST COORDINATION TEAM

TR TRANSMllTAL RELEASE

UAT USER ACCEPTANCE TEST c A-5

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c, UPF

vcs v u

c

ACRONYMS

UNIVERSAL PATCH FORMAT

V E H I CL E/C A R G 0 SYSTEM 5

VANDENBERG LAUNCH SITE

\

M Y J S C

A-6

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9:

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v)

W 4 I- C 3 I cn


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