STRUCTURALREPAIRMANUAL
STRUCTURES−GENERAL
1. General
A. Thechapter51describesgeneralmaterialsandtypicalrepairswhichare
applicabletoallchaptersofthismanual:
−RefertoFigure3.
2. MiscellaneousAircraftData
A. Thediagramsshownbelowgiveyouageneralviewofthestructureand
itslocation.Thesediagramsaredividedinto:
(1) AircraftDataandBreakdown
(a) StructureBreakdown:
−RefertoFigure1Sheet1orFigure1Sheet2.
(b) MajorAircraftDimensions:
−RefertoFigure2sheet1orFigure2sheet2.
(c) AircraftSectionNumbers:
−RefertoFigure3.
(d) FuselageReferenceAxis:
−RefertoFigure4.
(2) StationReferenceData
(a) Fuselage−Sections,StationsandMajorFrames:
−RefertoFigure5.
(b) NacelleandPylonStations:
−RefertoFigure6.
(c) Stabilizers−StationsandRibs:
−RefertoFigure7.
(d) Wing−StationsandRibs:
−RefertoFigure8.
(3) Zonings
(a) Zoning−MajorZones:
−RefertoFigure9.
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(b) Zoning−Fuselage,VerticalStabilizer,LandingGearandBelly
Fairing:
−RefertoFigure10.
(c) Zoning−WingandHorizontalStabilizer:
−RefertoFigure11.
(d) Zoning−PylonsandNacelles:
−RefertoFigure12.
(e) Zoning−Doors:
−RefertoFigure13.
B. HoneycombComponentMaterials
Somecomponentsoftheaircraftstructurearemadeof:
− AramidfiberReinforcedPlastic(AFRP),
− CarbonfiberReinforcedPlastic(CFRP),
− GlassfiberReinforcedPlastic(GFRP).Thelocationsofthesematerials
aregiveninChapter51−33−00.
3. Abbreviations
A. ThemainabbreviationsusedintheSRMare:
AD=AirplaneDatum
AFRP=AramidfiberReinforcedPlastic
AR=AsRequired
c=EqualMargin
CFRP=CarbonfiberReinforcedPlastic
CL=CenterLine
CONFIG=Configuration
CS=CenterSpar
CSK=Countersink
DBLR=Doubler
DIA=Diameter
DWG=Drawing
ER=ElevatorRib
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EHL=ElevatorHingeLine
FD=FuselageDatum
FIG=Figure
FR=Frame
FS=FrontSpar
FWD=Forward
GFRP=GlassfiberReinforcedPlastic
HD=Head
HHL=HorizontalHingeLine
HT=HorizontalTail
INTMD=Intermediate
L=Left
LH=Left−Hand(side)
LONGN=Longeron
MAX=Maximum
MID=Middle
MIN=Minimum
NO=Number
OH=OppositeHand
OPTL=Optional
OPT=Optimum
R=Right
RH=Right−Hand(side)
REF=Reference
RHL=RudderHingeLine
RPM=RevolutionsPerMinute
RR=RudderRib
RS=RearSpar
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SERNO=SerialNumber
SPDBRK=SpeecBrake
SPLR=Spoiler
STA=Station
STD=Standard
STGR=Stringer
STIF=Stiffener
t=RivetSpacing
T=Thickness
THS=TrimmableHorizontalStabilizer
TYP=Typical
UNIV=Universal
V=Verticalparallelwithfuselageaxis
VERT=Vertical
VT=VerticalTail
WD=WingDatum
WIA=WingInnerAileron
WOR=WingOuterRear
X=ForeandaftdistancefromanypointtoSTAO:
−RefertoFigure4.
Y=LateraldistancefromanypointtoAD:
−RefertoFigure4.
Z=VerticaldistancefromanypointtoFD:
−RefertoFigure4
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4. SpecialTerms
Term Definition
InterferenceFit Mechanicalpressureisrequired
forassemblyandonceassembledit
isnotlikelytobedisassembled.
TransitionFit Onlyalightmanualpressureis
(CloseTolerance)necessarytoas
sembletheparts.Itisapplicable
fordetachablepartsandlocating
partsbutnotformovingparts.
ClearanceFit Nomanualpressureisrequired.
Applicablefordifferenttypesof
parts.
VTXO(RefertoFigure2) Aplaneverticaltothefuselage
contourmeasuredfromapoint1814
mm(71.417in.)infrontofSTA/
FR80.Ifthelettercodeisfol
lowedbyanumber,itdenotesthe
distancemeasuredfromVTXO.
VTZO(RefertoFigure2) Aplanehorizontaltothefuselage
contourmeasuredfromapoint2820
mm(111.024in.)aboveFD.Ifthe
lettercodeisfollowedbyanum
ber,itdenotesthedistancemea
suredfromVTZO.
XO(RefertoFigure4) Thezeropointofthetheoretical
trihedron,inwhichtheaircraft
mustbecontained.
OperatingLimits Operatinglimitsaredefinedas
thelimitsforaircraftoperation
withadamagebeyondallowable
damage.Exampleofacceptableair
planeoperation:Repairbefore50
flighthoursatthelatest.
Circumferential Paralleltotheframes.
Longitudinal Paralleltothestringers.
Table1
5. MajorAircraftDimensions
(RefertoFigure2sheet1andFigure2sheet2)
A. General
(1) Overalllength63689mm(2506.18in.)
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Overalllength:
− A340−600=75274mm(2963.54in.)
− A340−500=67866mm(2671.89in.)
(2) Overallheight:
− A340−600=17290mm(680.71in.)
− A340−500=17105mm(673.43in.)
(3) Wheelbase:
− A340−600=32883mm(1294.606in.)
− A340−500=27583mm(1085.945in.)
(4) Track10684mm(420.630in.)
B. Fuselage
(1) Referencelength:
− A340−600=64852mm(2553.23in.)
− A340−500=57419mm(2260.59in.)
(2) Width5640mm(222.047in.)
C. Stabilizer
(1) Span22592mm(889.45in.)
(2) Basichorizontalarea98.1m(1056.30sq.ft.)
(3) Basicverticalarea51.4m2(522.7sq.ft.)
D. Wings
(1) Span63449mm(2497.99in.)
(2) Basicarea437.3m(4707.2sq.ft.)
(3) Sweepangle(at25%MAC)29°44’degrees
E. PowerPlant
(1) R−RTRENT553
R−RTRENT556
6. Figuresapplicabletotheprevioustext
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StructureBreakdown−A340−600
Figure1(sheet1)
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StructureBreakdown−A340−500
Figure1(sheet2)
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MajorAircraftDimension−A340−600
Figure2(sheet1)
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MajorAircraftDimension−A340−500
Figure2(sheet2)
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AircraftSectionNumbers−A340−600
Figure3(sheet1)
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AircraftSectionNumbers−A340−500
Figure3(sheet2)
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FuselageReferenceAxis−A340−600
Figure4(sheet1)
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FuselageReferenceAxis−A340−500
Figure4(sheet2)
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Fuselage−Stations,SectionsandMajorFrames−A340−600
Figure5(sheet1)
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Fuselage−Stations,SectionsandMajorFrames−A340−500
Figure5(sheet2)
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STRUCTURAL REPAIR MANUAL
Nacelle and Pylon Stations
Figure 6
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Stabilizers − Station and Ribs
Figure 7
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Wing−StationsandRibs
Figure8
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Zoning−MajorZones−A340−600
Figure9(sheet1)
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Zoning−MajorZones−A340−500
Figure9(sheet2)
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Zoning−Fuselage,VerticalStabilizer,LandingGearandBellyFairing
A340−600
Figure10(sheet1)
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Zoning−Fuselage,VerticalStabilizer,LandingGearandBellyFairing
A340−500
Figure10(sheet2)
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Zoning−WingandHorizontalStabilizer
Figure11
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Zoning−PylonsandNacellesTRENT553−61
Figure12
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Zoning−Doors−A340−600
Figure13(sheet1)
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Zoning−Doors−A340−500
Figure13(sheet2)
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