Textron Aviation Cessna 525B User manual

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

ELEVATORTRIMSERVOCAPSTANCABLERETENTION

IMPROVEMENT

ICASupplement

MODELNO:525B

SUPPLEMENTNO:ICA-525B-27-00009

SUPPLEMENTDATE:7/13/2020

©TEXTRONAVIATIONINC.

Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

REVISIONS

ICA-525B-27-00009Rev:-Date:Jul/13/2020

ICASummaryPages1-6

ManualsAffectedDescriptionTitle

MaintenanceManual27-30-02pages

401-427

ELEVATORANDTABSYSTEMCOMPONENTS-

REMOVAL/INSTALLATION

•ThissectioncontainstherevisedproceduresforinstallationoftheGSM86ElevatorTrimServo

GearboxandCable.

AppendixA:IllustratedParts

Catalog

SeeAttached

PartsT able

AppendixB:WiringDiagram

Manual

NOTUSED

1.ExportCompliance

A.ThispublicationcontainstechnicaldataandissubjecttoU.S.exportregulations.Thisinformationhas

beenexportedfromtheUnitedStatesinaccordancewithexportadministrationregulations.Diversion

contrarytoU.S.lawisprohibited.

ECCN:9E991

2.RevisionBars

A.RevisionbarsinthisICAsupplementidentifynewICAsand/orchangestothecurrentICAsinthe

releasedmaintenancemanual.

•NewICAsthatarenotinthecurrentmaintenancemanualwillhavearevisionbarfromtopto

bottomalongtheleftmargin.

•ICAsthatareinthecurrentmaintenancemanualandhaveinformationadded,deletedorrevised

willhavearevisionbar(s)intheleftmarginadjacenttotheadded,deletedorrevisedinformation.

•Neworchangedillustrationswillhaveachangebarfortheentirelengthofthepage.

3.PageNumbering

A.ThepagenumbersystemforICAincludedinthissupplementhavethree-elementnumbersthatare

separatedbydashes.Thethree-elementnumberisfoundatthebottomrightcornerofthepage,left

ofthepagenumber.Thedateisfoundbelowthepagenumber.

B.Whenthechapter/systemelementnumberisfollowedwithzerosinthesection/subsystemand

subject/unitelementnumber(28-00-00),theinformationisapplicabletotheentiresystem.

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Jul13/2020

©TEXTRONAVIATIONINC.

ICA-525B-27-00009Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

C.Whenthesection/subsystemelementnumberisfollowedwithzerosinthesubject/unitelement

number(28-21-00),theinformationisapplicabletothesubsystemsinthesystem.

D.Thesubject/unitelementnumberisusedtoidentifyinformationapplicabletounitsinthesubsystems.

Thesubject/unitelementnumbercontinuesinsequencefromthenumber-01-withthenumberof

subsystemunitsinwhichmaintenanceinformationisnecessary.

E.Allsystem/subsystem/unit(chapter/section/subject)maintenancedataisseparatedintospecied

typesofinformation:DescriptionandOperation,Troubleshooting,MaintenancePractices,etc.

Blocksofpagenumbersthatareinsequenceareusedtoidentifythetypeofinformation:

(1)DescriptionandOperationorTroubleshootinginformationmaynotbeincludediftheprocedure

iseasy.Whensubtopicsareshort,theymaybeputtogetherintotheMaintenancePractices

section.MaintenancePracticescanhaveamixofsubtopicsthatincludesinformationtoservice,

remove,install,adjust,test,clean,paintordoapprovedrepairs.

(2)Longerproceduresthatarenotaseasytodomaybeincludedinaspeciedsection.

Page1through99-DescriptionandOperation

Page101through199-Troubleshooting

Page201through299-MaintenancePractices

Page301through399-Servicing

Page401through499-Removal/Installation

Page501through599-Adjustment/T est

Page601through699-Inspection/Check

Page701through799-Cleaning/Painting

Page801through899-ApprovedRepairs

F.Atypicalpagenumber:

G.Illustrationsusethesamegurenumbersasthepageblockinwhichtheyappear.Forexample,Figure

202wouldbethesecondgureinaMaintenancePracticessection.

4.SupplementRevisions

A.Revisionstothissupplementmaybeaccomplishedifchangestothissupplementarerequiredafter

releaseoftheoriginalissueandpriortoincorporationintothemanualslistedintheREVISIONStable.

B.Allrevisionstothissupplementwillhavechangesidentiedindetailintherevisionblock(s)above.

C.AllpagesinthisICAsupplementwillhavethesamedateandarevalidasofthedateshown.

5.ICAIncorporationintoApplicableManuals

NOTE:MostICAsupplementswillbeincorporatedinthenextavailablerevisiontothemanuals

listedaboveandshouldbeusedinconjunctionwiththosemanualsuntilthenextavailable

revisionisreleased.

A.TheICASupplementListlocatedintheIntroductionsectionofeachmanuallistedintheREVISIONS

tablewillindicatetheincorporationstatusasofthereleasedateofthepublishedrevision.

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Jul13/2020

©TEXTRONAVIATIONINC.

ICA-525B-27-00009Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

B.Themanualrevisionlevelofthesupplementincorporationwillbelistedinthe"ManualIncorporation

Status"columnintheICASupplementList,whenthoseICAsassociatedwiththatmanualhavebeen

incorporated.AfterICAsareincorporated,themanualthattheyareincorporatedinmustnowbeused

forthoseICAsinsteadofthesupplement.

•Basedonrevisioncycletimesfortheaffectedmanuals,MMICAs,WDMICAs,etc.inthis

supplementmaybeincorporatedinthemanualsatdifferenttimes.

•Therewillnotbearevisiontothissupplementtoindicateincorporationinthemanuals.Usersare

requiredtochecktheICASupplementListforeachmanualaffectedtodetermineincorporation

status.

C.ThissupplementwillbecompletelysupersededbythemanualslistedintheREVISIONStablewhen

ithasbeenincorporatedinallofthemanuals.

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Jul13/2020

©TEXTRONAVIATIONINC.

ICA-525B-27-00009Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

INTRODUCTION

1.Purpose

A.ThepurposeofthisSupplementistoprovidethemaintenancetechnicianwiththeinformation

necessarytoensurethecorrectfunctionalityandperformanceoftheELEVATORTRIMSERVO

CAPSTANCABLERETENTIONIMPROVEMENTontheCessnaModel525Buntilthisinformation

getsincorporatedintothenextrevisiontothemanualslistedinthe"REVISIONS"sectionofthis

supplement.

B.ThisICAsupplementisdesignedtosatisfytherequirementsof14CFR23.1529"Instructionsfor

ContinuedAirworthiness"associatedwiththisinstallation.Thisdocumentisasupplementtothe

Model525BMaintenanceManualandwillbeincorporatedinthenextrevisiontothemanual.

C.Whenthisinformationisincorporatedinthenextrevisiontothemanualslistedinthe"REVISIONS"

section,thosemanualsshalltakeprecedenceoverthissupplementaldocument.Refertothe"ICA

SupplementList"inthe"Introduction"sectionoftherespectivemanualforthestatusofallapplicable

ICASupplements.

D.RevisionstothissupplementmayoccurifthereisachangetoanyoftheICAsinthissupplement

priortoincorporationintoalloftheaffectedmanuals.

NOTE:Thisdocumentmustbeplacedwiththeaircraftoperator'sTechnicalLibraryCD-ROM

orModel525BMaintenanceManualandincorporatedintotheoperator'sscheduled

maintenanceprogram.

2.Effectivity

A.TheseInstructionsforContinuedAirworthiness(ICA)areeffectiveforthefollowingaircraftmodeland

serialization.

ModelBeginningEffectivityEndingEffectivity

525B-0632andOn

3.CompleteICADocuments

A.Thefollowingdocument(s),inconjunctionwiththissupplement,constitutetheInstructionsfor

ContinuedAirworthinessfortheELEVATORTRIMSERVOCAPSTANCABLERETENTION

IMPROVEMENTontheCessnaModel525B.Allitemsmustbeavailabletotheoperatoratinitial

delivery.

(1)Model525BMaintenanceManual

4.SystemComponents

A.RefertoAppendixA:IllustratedPartsCatalog

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Jul13/2020

©TEXTRONAVIATIONINC.

ICA-525B-27-00009Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

LISTOFINSTRUCTIONSFORCONTINUEDAIRWORTHINESS

1.Model525BMaintenanceManual

A.Chapter27FlightControls

(1)ATA27-30-02ElevatorandT abSystemComponents-Removal/Installation

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Jul13/2020

©TEXTRONAVIATIONINC.

ICA-525B-27-00009Form2261Rev1

TEXTRONAVIATIONINC.

AIRCRAFTDIVISION

WICHITA,KANSAS67277

INSPECTIONPROGRAMANDAIRWORTHINESSLIMITATIONS

1.ContinuousInspectionProgram

A.ThisICASupplementdoesnotaffectthecurrentinspectionprogram.

2.AirworthinessLimitations

A.CessnaAircraftCompanyModel525BMaintenanceManual,Chapter4,AirworthinessLimitations,

containsthesystemandairframelimitationsfortheModel525B.

NOTE:TheAirworthinessLimitationssectionisFAA-approvedandspeciesmaintenance

requiredunderSection43.16and91.403ofTitle14CodeofFederalRegulations,unless

analternativeprogramhasbeenFAAapproved.

(1)Therearenonew(oradditional)airworthinesslimitationsassociatedwiththisequipmentand/or

installation.

Page6of6

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©TEXTRONAVIATIONINC.

ICA-525B-27-00009Form2261Rev1

CESSNA®

MODEL525B

MAINTENANCEMANUAL

ELEVATORANDTABSYSTEMCOMPONENTS-REMOVAL/INSTALLATION

1.General

A.Thissectiongivesinformationabouttheremovalandinstallationofcomponentsrelatedtotheelevator

andelevatortrimtabsystems.Forcontrolcableremoval/installationandrigginginformation,referto

ElevatorandT abSystemControlCables-MaintenancePractices.

B.Forremovalandinstallationoftheelevator,refertoChapter55,Elevator-Removal/Installation.

2.ToolsandEquipment

A.Foralistoftoolsandequipment,refertoFlightControls-General.

3.ForwardElevatorSectorAssemblyRemoval/Installation

A.RemovetheForwardElevatorSectorAssembly(Airplanes-0001thru-0056and-0058thru-0450)

(RefertoFigure401).

(1)Removethecopilot'sseat.RefertoChapter25,FlightCrewSeats-MaintenancePractices.

(2)Getaccesstotheforwardelevatorsector.

(a)Removethecockpitoorboardpanels251BTCand251CTC.RefertoChapter6,Access

PlatesandPanelsIdentication-DescriptionandOperation.

(3)Getaccesstotheelevatorcontrolcableturnbuckles.

(a)Removethetailconebaggagepanel321BL.RefertoChapter6,AccessPlatesandPanels

Identication-DescriptionandOperation.

(4)Installarigpinintheaftsector.

(a)Removetheclipandloosentheelevatorautopilotcableturnbuckle.

(b)Removethesafetyclipsandloosentheelevatorcontrolcableturnbuckles.

(5)Identifyandlabeltheforwardelevatorcontrolcables.

(6)Removethenuts,washers,andscrewsthatkeeptheforwardelevatorcablesintheforward

elevatorsector.Keepthehardware.

(7)Removethecotterpin,nut,washers,andboltthatattachtheconnectinglinktotheforward

elevatorsector.

(8)Removethescrewsthatattachthestopblocktotheupperandlowersectorbrackets.

(9)Removethesafetywire,pivotbolt,andwasherthatattachtheforwardelevatorsectortoupper

andlowersectorbrackets.

(10)Removethescrewsthatattachtheuppersectorbrackettolowersectorbracket.

(a)Removetheaileronandruddertrimcontrols.

(b)Removeuppersectorbracket,spacer,andstopblock.

(11)Removetheforwardelevatorsectorfromairplane.

B.InstalltheForwardElevatorSector(Airplanes-0001thru-0056and-0058thru-0450)(RefertoFigure

401).

(1)Puttheforwardelevatorsectorinpositiononthelowersectorbracket.

(2)Putthestopblockinpositiononthelowersectorbracket.

(3)Puttheuppersectorbracketandspacerinpositiononthelowersectorbracket.

(4)Putthewasheronthepivotboltandattachthesectorassemblytotheupperandlowersector

brackets.

(5)Attachthestopblocktothesectorbracketswithtwoscrews.

(6)Putasafetywireonthepivotbolthead.RefertotheCitationStandardPracticesManual,Chapter

20,Safetying-MaintenancePractices.

(7)Installthescrewsthatattacheachendoftheuppersectorbrackettothelowersectorbracket.

(8)Installtheforwardelevatorcablesintheforwardelevatorsectorwiththescrews,washers,and

nutskeptfromtheremoval.

(9)Attachtheconnectinglinktoforwardelevatorsectorwithabolt,washers,nut,andcotterpin.

(a)Installtheaileronandruddertrimcontrolsremovedbefore.

(10)Rigtheelevatorcontrolsystemcablesandadjustthestopbolts.RefertoElevatorandTab

SystemControlCables-MaintenancePractices.

(11)Installthetailconebaggagecompartmentpanel321BL.RefertoChapter6,AccessPlatesand

PanelsIdentication-DescriptionandOperation.

27-30-02Page401

©TEXTRONAVIATIONINC.Jul13/2020

ICA-525B-27-00009Form2261Rev1

CESSNA®

MODEL525B

MAINTENANCEMANUAL

A29101

BOLT

SPACER

WASHER

PIVOT

BOLT

SCREW

UPPER SECTOR

BRACKET

STOP

BLOCKSTOP

BOLT

NUT

FORWARD

ELEVATOR

CABLE, RIGHT

STOP

BOLT

FORWARD

ELEVATOR

CABLE, LEFT

LOWER SECTOR

BRACKET

SCREW

NUTCOTTER PIN

WASHERROD END

CONNECTING

LINK

WASHER

6310T1072

A6363T1017

DETAIL AAIRPLANES −0001 THRU −0056 AND

AIRPLANES −005 THRU −0450

ForwardElevatorSectorInstallation

Figure401(Sheet1)

27-30-02Page402

ICA-525B-27-00009Form2261Rev1

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