# -_..• CoInc1,.c'" AItp •••• Group 

# 767 Service Bulletin

Daile: 1i'i·~14

Match '17, 1997 

# Summary
ATA System: 5451
SUB.l£CT: NACElLEiI'YlON· 

## smur A

### ITACHFUSE PINS· UPPER LINK FUSE PIN INSPECTION I

REPlACENENT

As part of the 

### sor.ice boI5etinvelidalioo program. this Inspection was CQIl1)iet8d00 aiJJ:¥ane V8051 by JNDtJS'TJ'Y SUPPORT lNFORMAllON 5ecvice Buletln VaJdabl Copy 1 be10rethe injtjal r$ease of ttlis servICebulletin. The inspec:tioo Boeiogwaffatlty r8l'T1Qdiesare no(avalBbks tor the completed on VB051 by SEwviceBulletin Validation inspectioI\ procedures given In tmsservice bulletin. Copy 1 is equiv<Uent10the initial reiaase 01 rhis seMce bulietin. MANPOWER AC110N Total

### MarHlours

- 6foreadJstrut Elapsed

### lima

- 4 Hours Inspect the upper link ItlS8 pin in place without engme removal and strut rernovaJ.To gain access MATERlAllNFORMATIOH to the upper ink fuse pbl remove the strut unde!wKlg fairings. Remove the eocI caps and corrosion Opelatol'SuppliedParts preventive compound from the fuse pin. Inspec;;t the innersurlace 01 (tie 'USE!pin visual)'ar,d by High Refer (0 Paragraph I.H., Material ~ Price and FreqL'$lC)' Eddy Q;rrent (HFEC). Install the Availabity. oonosion prevent;ve COfJl)OOndand end caps. Irmall the strut undel'\ilYlg !ah1gs. If a cractc.EJd fuse pin is deIected. replaoe tt1e fuse &*I. THE BOEING COMMERCiAL AIRPLANE GROUP RECOMMENDS lHAT EACH OPERATOR EXAMINE THIS SERVICE BULlETTN IMMED\ATELY. BACKGROUND This tuse J*llnspectiOn wil pamVtearly detection of aacks in. the upper ink rusepin. Clacks k1the fuse pin cou'd lBSUftin a fnlcbKed fuse 1M. A fractured fuse pin COtHd result k1 fut1hel damage to the 

### shrt atcacf) system. Noapera~ have reporteduades intheuppel .,k 'use ~s. Crn.c:ks

were foond

## r. an upperink fuse pVlal Boetng dumg tesang ~ a AB211 Strut. 

### Termilaling actiOn for tNs service buUertin is to incorpora" serv)C:e.bulJoon 761-6+-0088. Service BuJetin 76]-54-0088 ~ a new Lipper Gnk fuse pin:and I'9WQf1l:s the wing 

### Sftuc:lure. 8ervice Boftetin 767~ requires the priot Of concurren~ i"l(:orponi~ of $BrviCO BuBeiin767-54-0083. Both serv!oe bulletins 167·54-<lO83 and 767-54-0088 wilt be released if'lthe fourlh quarlel' 011997. COMPUANCE SeE; Figure 1 'or 

### oompiartee recoomendatioOS an<J 

### mHltenance atlamativ9$. EFf£CT1YJTYMar 21197 HPICAL LEft SHliT SllOVI' IlSRT STlIH Oi'l'OSIT£

1 IE~E 

## rw'£Uil 

## un Alit (otiOStOllPliVunVE C~t nOlII

tilE fUSE!"Hi. l.$I'fCT Ttif I.I SUlFAtE Of TilEfUSE' (I "'ISlJALL" AID 9Y I1fE"{

Summary Page 2 of 2

# •• .& I 

# 767 Service Bulletin

AlA System: &451
SUBJECT: NACEllElPYlON ~STRUT ATTACH FUSE PINS ~UPPER UN'K FUSE PIN INSPECTION f



### REPlACEMENT
THE BOEING C()MMERClAl AIRPLANE GRoup RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERIllCE 8UllEllN IMMEDIATELY. I. PlANNING INFORMATION A. Effectivity 1. Npiao'les Refer to SoYv1Ce Bu!letin Index IJo<::umenI Q6.0624TOO', Part 3 tOf AirpIMo Variable Number. Li1e Numbef. and Serial Number data. This service blJitetin is 

### lot th6 

### aJrpranes shown 

### below. IDENTlFlCAT10N BY CUSTOMER, CUSTOMER CODE, GROUP AND VARIABlE NUMBER
AEAOFlOT (ARO) VN561-VN562 AEROMEXICO (AMX) VF()91 VF09:3 AIR Al..GERiE (ALG) VK131-Vl<t33

761-54-0074 Page 1 of 18 AIR MAURffiUS LTD. (MAU) VFOO1-\!fOO2 AJR CANADA {ACN) VA70,-VA1,9 VR001N8002 V8201·VB202 VN931-'..'N936 AIR CHINAGROUP (BEJ) VE064NE066 VE083-VE086 VK161·V1(164 AIR EUROPA (ARE) VB328 AIR EUROPE ITALY SPA (EIY) VL93'-VL932VN682 VN81 f-VN612VN972 AIR fRANCE (MA) VFl01-VF102 VN631

MN27/fJ7VEt,a

AIR NEW ZEAlAND. l TO_(ANl) VB323-VBS24 VE10,NE103 VN6S'·VN651 VN813 AiR PAuftC (APe) 

### VN676 AIR SEYCHELLES LTO_(ASY) VF051 Vl941 AIR UK (LEISURE) IUKL) VN921-VN922 AIR ZIMBABWE (ZMB) VF061·VF062 AJRTOURS INTERNATIONAL AIRWAYS UMJTEO (GUE) VN951-VN953 ALlTAUA (AU) VN422-VN427 ALL NIPPON AIRWAYS CO. LTD. (ANA) VBtOl-VB125 VK08'NK1,2 VN191~VN100 AMERiCAN AJRlINES, rNC. (AAl) VA50.-VA530 VNOO'-VN04' ANSETf ALISTRAUA (ANS) V805'-V8055 VB32,·VB322 VB325 

### Vl755

VN54&VN547 VN751-VN753 VW851 Vl753 ANSETT WORlDWlDE 

### AVIATION SERVICES (A'NW) VN385 AStANA AIRUNES (AAR) VK'41-VK'47 VL703 AVlANCA (A\I7) VE171~VEl72 VF092 VN,52 BIRGE NAIR (BlR) VEQ41 BOEING (TBC) VAOOl BRITANNIA AIRWAYS, INC. (BRI) VB326-V8327 VB329--VB332 VL91'-Vl914 BRITISH AIRWAYS (BAa) VNl"-VN127 VNl30-VN137 GANAOfAN AIRUNES 

### INTERNATIONAL LTD. (COI) VN06'-VN061 CHINA SOUTHERN AIR GROUP (GUN) VL70,-VL702 VN062

Mar 27197 767-54-0074 

### 2CHINA YUNNAN AJRUNES (¥UN) VlBlt-VL813 CONOOlVCAROO TECHNIK GMBH (COF) 

# _~1

DELTA AIR UNES. INC. (DAL) VA301-VA315 VK031·VK056 VN251-VN2n VN301-VN306 EGYPTAIR (EGP) VE021-VE023 VN211-l{N212 EL AL iSRAEL AIRLINES, LTD_ (ElA) VB281·V8284 ETHIOPIAN AJRUNES, CORP. (ETH) VEOO1-VEOO2 EVA AIRWAYS CORPORATION (EVA) VB441-V8444 VN47t·VN4n VN731 GULf AIR (GUL) Vl.D()3.-VLOO6 VN307· VN311 VN313..vN314 110CHU CORPORA nON 

### (em VF18FVFl84

VN531 JAPAN AIRLINES (JAL' VB371-VB313 vt<OOl-VK015 VK021-VK022 Klt.4 ROYAL OUTCH AIRUNES (KlM) Vl891-VLOOO LAN-O"m.E 

### SA (LA""" VN:)63-VN064 VN376 L.AUOA AIR lUFTFAHAT AG (LAl) VlOtt VN242-VN243VN388 LAUDA AlA S_P.A. (lOt) VN671 UNHAS AEREAS DE MOZAM6KlUE (LAM) VF162 LOT POUSH AIRLINES (lOn VF041·VF042 VN2'91-VN293 LUFTfRANSPOHf SUED AG AND CO. (l TS) VN171·VN174 VN3al MAI..EV HUNGAR •••• N AJRUNES (HGAI VF171-VF112 MAATINAlA HOllAND N.V.IUTH) VN22t-\JN2:25 VN612

UM27197 VN557 VN966-VN969 VN971



### 767-54-0074

3

### 80ElNQ SERVICE BULLETIN n7~40074

UJOEASTJET IN(; (SKl) 

### VF251 QAN"TASAiRWAYS, Ub.lUAN) 

### VE061·VE063

VECJ66.VE069

VN:I81·~ ROYAL BRUNEI (RBA) VN371-Vf\I372 VN382-VN3S4 VN386-VN387 VN6S7-VN638 SCANDINAVIAN AIRLINES SYSTEM (SAS) VF071 VN1S1 VNl53-VNl58 VNl63-VN158VNS36 VN551 SHhNGHAJ AIRl.INES, 

### P.RC. (SHA) VK171 SOBE~JR (SBl) VN421 VN636 SPANAIR (SPPj VN541-VN542 TAGA INTERNATIONAL AIRLINES, INC. (TAC) VE116 VN732 THE "'''EOEO COAPORATlON (BRX) VFl80 THE K B.'A. FOUNDATION (KBA) 

# """'2 TRANS WORLD A.IRUNES. INC. (TWA) VA801-VA810 VB301-VB302 VN537 TRANSBRASll AIRLINES INC. {TBL} V8251-Vtt2S3 VE:l04 VEt17 VN532 UNITED AIR UNES. INC. (UAl) VAOO2·VA02O VN491-VN513 UNITED PARCEL SEAVlCE (UPS) VWlO'-Wf716 USAIR. INC. (USA) VEt41-VEl52 UZeEIG$TAN AIRWAYS (UZ8) Vl806-VL807 VARIG AIRLINES (VAR) VE121-VE'126 VN231-VN234 VlETN.6-.M AIRU~..e:S(VJE) Vl751-Vl752 VL754

Ma.r27f37 VN661
VF072 Vf161 VLOOl-VlOO2

767-54-00744IOENTlFICATlON 8Y VARIABlE M,tMBER VAOO1-VA02O V~'-VB056 VB3;21-VB332 1IE04'-VE043 

### VE141·VEl52 VF071·VF072 VF251 VX141.vKl.7 V1.151·Vll55 VL941 VN151NNl58 VN231·VN234 VN376 VN531·VN532 VN561-VN562 VN731-VN732 VN951·VN953 2. Spares None

M8r21197 VA301·VA315 VA501~VA530 VB10l-VBl25 V8rol-VB202 V8371·VB373 VB401

. VE061·VEOO9 VE083-VE086 VEl71NEl72 VfOO1NFOO2 VF091·VF093 Vfl0PJF102 V'KOO1·VK015 VK021·VK022 VK'6'·VKl64 VK'7' Vl806-VL801 vt87'-VL813 VJ'I)Ol- VN041 V1'«)5,-VNl64 VNl63-VNl68 VNl71·VN174 VN241NN243 VN25'-VN211 VN38'·VN388 VN421·VN427 VN536-VN537 VN541·'JN542 VN631-VN53B 'IlN651-VN657 VN75T-VN753 VN191-VNr02 VN966-VN'969 VN971-VN972 VA101.vA119 "M01-V.A,J!1g V8251-VB253 VB281~VB2&4 V8441·VB444 VEOOl-VEOO3 VE'Ol-VE104 VEl'6-VE118 VF041·V'F0C2 VF051 

### VF161·VFl62 VF171-~172 VKQ31·VK056 VK08PiK1,2 VlOO1·VL006 VlOl1 vt89,.vl900 Vl911·Vl914 VN081·VNJ98 VNl1,·VN127 

### ~'91-~198

~11-~12 VN291-VN293 VN301-VN314 VN436 VN471-VN472 \fN54&.VN547 VN551 VN671-VN612 VN676 VN811-VN813 \tN92V"N'922 VW70'f-W{T16 VW851 V8OO'!-'!B002 V8301·VB302 VE021·VEQ23 VE121-VEl26 VF061·VF062 VF180-VFl84 VK131·V}<'33 vt..701·Vl703 Vl931-VL932 VNl30-VN137 VN221-w.:225 VN37'-VN3n VN491NN513 _'1N557 VN681-VN6S1 VN931·VNS36

767-.54-00745

## IIOElMQSERVICE BULUmN 7SNi4-t074

B. ~on Thb fuse pk'lln.spectiocl wi! PElfl1'A early d9tec:toil 011

etl!lldts In the ~ ink ~ f*", O'~! ~ ~ iu$e ~ ~ rssuft., 

### 8 tnlIdlJt8d ruse pin. A fra<:tured fuSe pin COUldr8$Oft n 

### furl'leldamIge to the Slrul a

__ . 

### No operItn ha••• reprort&::I aaci:s ., 

### the upper "'k fUsepi'ls. Cracks were Jound 

### il M upper ink fuse pin at

### 8oei'Ig dLmgta:sq ofa RB211 

### Strut As part,. "'"

__ ...- vaIlJalion progam. •••• ~ was corroplolo<!on.."..". V8051 by 8etvkllt Bulelin ValdaUooCopyt befoce tt\e il~1 ~se onhl$ seM<:ebultetin. The mpeetion c::ompIeled on YBOS'fby SeMce Bulletin VaIida1kI\ Copy 1 is 8QtHvaJeo1Ktthe nlfa.l rele898 01 dlts 

# -_.
c. Deocrlptlon Inspect IhEtupper link fuse pG'lin place withOUt erqne removaJ and stM removaJ. To gain access to the upper 'ink fuse pWl remove the strut underwing lairings. Remove the BOO caps and 

### c:orroskln pceventiY8 Oi»11pOOnd rrom the fuse pin. 

### 1nsp8ct Ule met 

### surtlce of the fuse pin visuaIy and by High Frequency Eddy Qment (HFEC). Install the CQTosJon pr9YEltltNe compoun<' and end caps. Install1tle 

### stut ~ faiMgs. It a crackeo fuse pin is detected. replace the fuse pin. TennUlating actiOn foc Ihis S8I'VioebuUetin is !O inl:Xlrpolsie seMce tlUllem 767·54-0088. ServiCe Bulstin 767-M-0088 JnstaI:s a ~ uppal link fusepi"l ancJrewotb thewing~r9. $erv)ce Bulelil"l 767-54-0088 requires ths prior Of' conoomwlt ilQol!potatfoo of Se:-.ice Bulletin 767..s+0083. 80Itt SE!JtlI'Ioe

buUetins 167-S4-Q08:3.and 767~ wiI be ~sed'" the loul1h quaIfIlf oC1997. The s:aMc8 oulletns listed ~ have sirrIiW' a<:cessrequirements and 318 provided Jot your 

### i!'1fOll'n8tiOn

ancIplanning purposes.

Nu~ 167-57-0053 76]-54-0072 

# r"",

Wings
- 0utaJ Wing Attachmoot Filings

- Wing Front Spar Pitdl Load Fittings IIlSpaC600 and R6'NOfk NaeE.tfl6S/PYo()flS

- Stru' Attach Uppet li'lk
- Upper UnklllSpElCtiOn. ReworkOf Replacement
An evaludon Ion'n is att&Ched to thiS service bulkmn. Please use this form to tall us whal you Chink of the quality d this sarvtee bufleOO. PlEASE SEND A REPORT OFYOUR INSPECTtON PROGRAM. A.lSO, SEND THE INSPECTION RESULTS WHENEACH INSPECTION 1$COMPlETE SENDTO; BOEING COMMERCIAL A!RPLANE GROUP

ATTENTION: MANAGER. AIRLINE SUPPORT

Mal 27197 167-54-00746; 

### BOElNG sERVICE BULUmN 

## m-6+0074

D. 

# eo"",,_ See FigUre 

### 1fcf~noe rec0mrnend81Sons 

### aM malnt9nanooaIl~ti'-"El-,. 

### E. Aptln>"" Thb $8M09 botretin was examined by the Fedetal Avtation Adt1lIrnstraUon (FAA). Tt-e ct\anges.



### _ " """ ...-

_ oompIy will>one appIicabIo FedoraJ Aviation Reou- (FAR) and are 

### FAA appro~. This ~ lxiUetin and. the FAA 

### appfOYilI were based on the 

### airplane in i'S 

### original _g deIive<y<:onfigurallon0<as modlfled "" OlhetFAAlII'Il'o"",, Boeing cI1a<1ges. If an airplane ha-s8 non-Booing modiflCarion 01/repair that atrects a compcnetll or system alsO 

### atteetad by this service bulletin. the opel'BIct 

### is responsI>Ie ror obtainlng 

### appropriate reguralOry 81J$nCY a~oval before inCOf'pOfallng this service bulletin. 

### F. IndoIsby Support InfonnaUon Boei1g warranty remecfias are not available f(l('the Inspedioo gtven In this 

### service bolklM. 

### G. 

# ".-.pow« The table befow shows an estimate of the man-hours nooessary 10dO this inspeCtion for 

### ead1 engine position. This 

### estimate is rOtdirect labor onfy, done by an eJCperienced (;tew. AdjJst the 

### estir."l8.te with operalOr man-hOur data 

### if necessary. The estim81a dOes not inClude lOst time. These :are some 

### exal"l'lple:S 0' los' time:

- rlfTl6to 8(ijust to the wor1q)laoo

- TIme to schedule the woB: • TIme to exa.mlne 

### ItIe wor"lt

- nme to cure tho;) 

### materiats
• Time to make the parts

- TIme to find the tools. TASK NUMBER OF MAN-HOURS ELAPSED TIME

PERSONS (HOURS) Open Aa:oss 

### 2 2 1 Inspect I 

### 2 2 Close AOC<ISS 

### 2 2 1 TOTAL fOR EACH ENGINE POSITION 

### 6 4 TOTAL FOR EACH AIRPLANE 

### '2 8

H. Materiel ~Price Wid Availability The operator can supply the parts. and materials shown iil Par~aph IIA.•Parts Necessary For EaCI'J Airplane. As an aJtemafiv9, oporatofs eatl purchase the parts from Boeing Spares. This seNice bt,s!ietindoes not shaN the Boeing priCe and SUpplydata.



### " SpeclaI TocQ
- 

### Price and Avlilabllity None

Mar 27197 767-54-00747

### J. WtiIJ•• _- None 

### K.R_

'" E1C.iStingDats: a. 767 Mlmten8noo Manual (AMM) Sut+Jd 204t-oo, 27-81-00, 54-51..()2, 54-52.()1 and 78-31-00. b. 767 Nonde:stn.Jc:ti Test (NDT) Manual 0634T301. Part 6, Sub]oct M-51-(}2.
c. Boalog StancJsrd. Otemaul Practices Manual (BSOPM) 20-20-01, 20-30-03 and ~ 1..()3.
l, Data suppil6d w1thWS ~ bul\etio,: None 3. InstallatiOn O1awings:

DRAWING NUMBER :lt0T1030 310T2030 510T3000 310T404O 311T5700 

### nTLE

ENGINE STRUT TO WING INSTL
- CF6-80A ENGI"JE ENGINE STRUT TO WING INSTl
- Cf6-B0C2 ENGJJ>.iE ENGINE STRUT TOWiNG INSTL
- JT9D-7R4 ENGINE ENGINE STRUT TO WING INSTL ~PW4000 ENGINE ENGINE STRUT TO WING 'NSTl
- RB.211 ENGINE These drawings. W'CfeLk"t6dto prepare this ssrvica bulietin. These drawings are not necessary '0 make the specified ctlanges. and are 00l: supplied with tllki SElf'Vice bulletin. These OraW'ings may not be applicable to al airplane COflfigurations Ofoperators. 

### l- _. C/longod None M.

_ •• .- Date Not changed

Mal 27/97 787-54--0074

### 8A. 

### PW'Ia NKuiltv ForEech AJrDIane

. 

## . , P••.••and MaIerials

50_ by••• 

### 0pera1Or. 

# au_ 40z 10z 2



### , oz Asreq;ir9d As required As requl'ed 

## PM "*IlTIber(Spedfic8t!qrr )

Mll-C-11196, class I(b) MIL-G-23827 Of MJl-G-~1164 (b) M$25865--374 (a) BMS 5-19 til8M$ &-95 (8) 311T2000-1 311T3090-3 (311 T309C-4 assy optiOnal) 311T5090-1 

### ~ Corrosloo preveniY& compound Gr88 •• 

### Cotto, pin 

# _., Fuse pin (PW4000 01 Cf6-OOC) Fuse pin (JT90 Of Cf"MlOA) Fuse p4n{RB211) 

### (a) SeeIhe

Quaified Products 

### Us<(OPl) 

### al"'" "'" 0I1he _9 ••••

"""" Specificatioos laMS} kx supp/ieldatl. ,(b) see Ile Quaified ProduCts List (OPl) at ItIeend ofthe Mil SPEC fOfsuppfier data.



### B. Pam 

### _.ary I.

### Change Spat•• None 

### C. Special Tool. and EtjuIptnen1 No speciaJ loots 01'equipmoof are neQ3SS8lyto do the inspe<:;tiooin this serviCe bulletin. But. maQ1tooanoa and OV6fhaul toolS •• the manuals given in Paragraph IK. References, C8.ll be nElCSSS8IY.Exarrine operator tool supply 10make sure aDIl9CeSS8fYtools VBavaijabie.

None

Mat 27/97 767-54-0074

### ilMar 27197 BlANK PAGE



### 767-54-0074 10IJ. 

### ACCOIIPI.$WEHT INSTAUCT10NS NOTES, 1. The paragraphs ldentffled wtth a letter $,We dte genera' WOf1t ~ The iflstnJdioos ktMtfted witfl. nl.Jf'l'lberS. on the figures give dlEt recommended ~ 

### Of step6. 

### 2. Umesa stlown clfferentty. 

### theSeGimenslons aod totefanoos are used:

- Torque iOYtS Ie tighten nuts and bolts are given WI761 

### Sb'ucturaJ Repair Manual Chapter 51. 3. Attemative fUief'1er3 are givoo VI767S~raJ RepairManual Chapter 51. 4. Obey at ofthe warnIngS and 

### calltiOns given In the specified manual sec:tions. 5: See Ftgur8 1 for compliance reoonvnendations and J'n.'Jintenanceartematives_ 6. A new fuse pin ()f the samepari nUll'lbef maybe instaied al any pointInthe A~t Instructionsto gain the kIclger~.Qjo(l irt1erVaf as shown to Figure 1. 7. The FlgUl"esand instructions 81&101the left strut (unless.otherwise noted), repeat 'Of the right strut 

### ACCESS: WARNING: INSTALL LOCKS IN THE LEADING EDGE stArs. ACCIDENTAL OPERATION OF THE

SlATS CAN CAUSE rN,JURYTO PERSONs-OR OAMAGETO EQUIPMeNT. A. [,lo the 1,1eactiVcltion prv;:;edure for the leading 9dge s!atsil the retracted position. Refer to 767 AMM 27-81..OO12Ql CIoperator's equivalent procedUre. WARNING: 00 TI-lE OEACT1VAT)QN PROCEDURE TO PREVENT THE OPERATiON 

### OF THE

THRUST REVERSER. THE A.CCIDENTAl QPEAAllON OF THE THRUST REVERSER CAN CAUSE INJUR!ES TO PERSONS AND DAMAGE TO EQUtPMENT. B. 00 the ~ pt'ocedura 'Of the thrust reverser to( gtound maintenance. Refer to 767 AMM 78-31-00'201 Ofoperalor's equivalent procedure. C. Remove and keep !tie folOwing access panelS. Refer 10 767 AMM 06-44-00 or operalOr's equivalent 

## proce"''''.ENGINE TYPE I 

### ACCESS PANEl IDENTIFICATION NUMBER Left SlJUt R;ghtStut J1"9D. Cf6-8llA. PW4000. 431ET 441ET

Cf6-8OC 432FL 442FR 437AL 447AR R6211 432CL _DR 4320L 442ER 433DL 443lR

Mar 27197 767-54-007" 11

### BOEIHO 8eRVICI! IIUL1.EllN 

## 717~. 0074 I

.


### D. Doonool •••

# .-,g_'

y!s:UAl' HIGH FREQUENcY EDDY 

### CtlBRENILMAQ.~G PARTICLE 

### 1N!i>P~r-r1OAr ~ETHOP; E. Do a detlllecf visual Np9ction 

### or D'leltmer,8Urf8Ce

### oIlhe fuMJ.*tJot ~ a ~- •.•

### FJgure 2. I -1. " smaI surface 00f"I'0$k)n is foond. I"8lT'IOYe the 00ff0rIk:In. Refef to 767 AMM 64--51~ Ot 

### operalOr's 

### equtvaletlt procedure.

~ If 

### corrosion 1$flJl.1f'td that can not be removed 

### per 761 AMM &4-51-()2 Of 

### operator's equN8I9nt PfClC)EMju~.replace with a new fuse pin 01 the same part number. Aet9l' to 767 AMM 54-51..()2

## or operabr'$ equlva*lt procedure. 2. If NO CORROSIONls found, Of 

# sma. COIl'OSion Is fOund and coutrJbe r~. do a High Frequency Eddy ClJrtem (HFEC) klspectioo 01the M8I sl..n1aoo Ofthe fuse"', Refer to 767 NOT Manuaf 06341301, Part 6. Chapter54-51-02. NQTE; EJectri(:aJ 'Nil'e bvn(U$$ may MYEl to be removed to prO\l1de addittonal aoc:oos for the HFECptoOe.
a. If a CRACK INrnCATlON is 100nd. i. Remove the fuse JWI. Refef 10767 AUM 54-51-02 or operalOr'S equivalent procedure. ii. Magneric partickl inspeet Ule inner surface of the "..1$8pin. Refer to BSOPM 20--20-01 01' operato(s equivaJant ptooeduJ6

.

• "8 CRACK is found, replace with a new ruse pin 'ofthe same part nUfl'lber. Rater to 767 AMM 54-61-02 Of

### opera»r's equivalent procedure.

- it NO CRACK is to'.md. retnsta! the fuse pin. Heterto 767 AMM 54-51-02 Of op&ra1Ol"s equivaJan1 pc'ocedure. b. If NO CRACK fNOlCAtKJN 

### is founl:l.fMSiaI tM fuse pin. Reier 

### to 761 AMM 54-5HJ2' 

### ex operalor's eQU;yaJent

### prorc:edJre.
. F. Reinstall the adapter rinijs (lI' applicable). the end caps. me washers. the bolt, the .;:astsIlated nut. and a new ~ pil"l. AetElf to 767 AMM54-51-02 01 operatDf"s equivalent procedure. REPLACEMENT METHQQ: G_ Remove e;risting lJPP6llnk fuse pin and in~ new 

### fuse pinOfthe same part numbef_ Reier to AMM 54-51-02. Refer to Figure 1 tor reinspectiOO Nltef'vals. , H. ReinstaJ th6 adapter mos (If applicable), the end caps. the wasl'lers. the bo/t, the casteIated AUt, aod new coUerpin. ~efet 10767 AMM 54-51-o~Ofoperator's equivalent procedure.

Mar 27197 161-54-0014 

### '2

### ReSTOREAcceSS; I I. A••••••• "'"

_ 8OOOS3

_ pcoceaul'l!l'. I I ENGINE TYPE ACCESS PANEL IDENTlRCAlION NUMBER I Left Slrut RIgh'SWl JT9O.' CF6-BOA, PW4000. I 431ET 441ET

CF6-roC I 432FL 442FR I 43TAL 447AR RB211 432CL 442DA 432Dl 442ER , 433Dl 443LR 

### J. Do the thrustr~ activationprocedure. Referto 161 AMM 78-31-סס1201 oropetalOr"s eQllivlOOnl procedure. K.. 00 the activation procedul8 for the:leading 00Qe slats. Refer 10767 AMM' 27-81-{)(11201 Ofopet3lOf'S equivMent procedure. L Putthe aiq:ll'ane back VI ~ condition.

Mar 27/97 767-64-0074 13, 

# , lIOEINO.AVICE 8UU£TIN 7874140074

I

IWIIU

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### ~;;:'i~w, .u s/tOW

# .1 TAIl!;,., N: H tl( AII~ ItAS PASSU lilt IllltlAl l,"Ktn~ 111411.', Tin vnlli' 3,000 fU5Ilr• tULl$ 01 ,. IICWIl*$ WllUIIUfI tOMS ruST, Ann IECU'nH TflS SltYlt( BullET.', to EfTIEI Of Tit fOlLOW]"

CUCl rO{He. UIlQYE fUS£ 1'111.
Il$tALl II£V'lI'$( 1"1,

IEIltSPfn TIE fUSE PC. U niE IITUYJ.L SIIOVI rl f-Ui..£,. Z 

# ----------------------1 I J 

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I£IlOVf F!iS[ I'll. COUO$JOI 

### roou.

'IS7ALL I£~ fUSE PI'.

IEliSner Tilt fl.!S£

### p.a AT Twt llTUVJL SMOliII III T18L£ 1.l 

## -

# -----_.--------••..---- 

## ---'-

# --- I ! I I I I I I I I I I I I 

# , I I I I I I I I I I I I I I I I 

# 1 ..1
I I I I I I I 

# , I I I I I I r r I I I I , L

_ 

# •

~

FIGURE 1= INSPECTION INTERVALS AND MAlNTENANCEALTERNAnVCS
Mat 27197 SHEET 1 OF2 767-54-(}074 14

### Table1,1:InitJaJ In&p8Ctlon

Th~ Foe Uppet'~k FUN PWl EngneT!'P'J !f'lti..:;! !~~ ,,-; TI"' ••..;:-..;.;,:;

### {:g:-ri•(;yci6s} JTDO 16.000 CF6-8OA 24,000 PW4000 

# s.ooo CflHlOC2 10,000 RB211 24,000 Tab'e 12: Reinspecfloo InterYa!For lJppef Unk Fuse PW1 R6pJaeement Er'9'tsType Re!fispectionll1't8r"al(r~t
-C'jcles) 

### JT90 16,000 Cf&<lOA . 24.000 PW4000 8.000 CFlHlOC2 10,000 RB211 24,000

FIGURE 

### t: INSPECTION INTEA,VALSAND MA.lNTENANa: 

### AlTERNATIVES lbIr27197 SHEET20F2

## TTPI(AL LEfT ST~UT SHOWN RIGHT ST~UT OPPOSITE

UPPER 1IHl< ? END CAP

~ I 

## 2 

# ftl,@1
WASHE$I 

# <If q ;

ADAPTER 

### RING



## STRUT UP 

# fJ fWO~ 

# Y ENO CAP



# (jjY~ WASHER

~'UT 

## ADAPTER 2 \ 

## RING 1 (OTTER PIN

Mal 27197 I

FlGURE 2, VISUAL INSPECnoN OF THE UPPER LINK FUSE PIN I SHEET 1 Of3 767-54-0074 16

# . I' BOEING SE,RVICE BUlLETlN 7e7-6400074

1/ UJ>FEl



### lUIC: 

# -111 

# y~D~ n'l STRUT I 

# h,

__

. - 

# rJCTI

A-A

NOTES

SEleTabI82.1 IOfpart numbers aSSOCiated with engine types.

(a) AMY 54-.51-02 

### REFERENCES AMM54-5H:r.~

Washers End caps 

### i C<>IIars I A_R;ng1 Fuse Pin Fuse Pin Clean 'nspOO 2

3 

# • STEP 1 The step numbers sttown tdow agf'oo wtth tOOnumbers shOwn in the circle sylT'bois in the f;gOre. I TASK NAME PROCEDURE R9I1lOVBI Cotter PtJ 

### OiS<:anl Removei 

### Keep

(2) Part number 311T3090-6 and ~ appliCable to JHIDand CF6-80A engines equipp9d. With 31tT3000-4 

# 'USB"" a_c:._~ ' --'

FIGURE 2. VlSUA.LINSPECTION Of THE UPPER LINK FUSE PiN
Mar 27/97 SHEET 2 OF 3 767..s4-0074 17I 

### .1lOeJNG 

## SEA,,?, BULLEllN7117-64-0074

Tat:W2.1: Part Nu~ aildAs:3oda1ltdEngineType.s 

### PAR1NAME ~~U.>I: TVQC



# _.•....• ,

# ........... JT90 CFl>tlOA PW4000 CF&&lC AB211 Cotter PWl 

### l.lS2~7' YS2~74 MS24fl65.-374 MS2466S-374 MS24665-374 ea-!odNut SACN1OJD9CO SACN1OJD9 BACN1OJ09CD BACN'llJOO BACN1OJ09 

## w•••••• BACW108N9SP AN960C916t 8'>CW108N9SP AN960C916L (0) EndCap 311T3101-3 31ns.'01-3 31113101-3 31113101*3 311T5096-1 (3) BACW10BP9ACU 

### on the bolt side and AN96OC916l on !tie nut side.

FIGURE 2. VISUAL INSPECTION' OF THE UPPER LINK FUSE PIN
Mar 27197 SHEET 3 OF 3 161-54-0014 18

# .<1.-,-.-,-,-,,-

Dste: 

### ~ 

# •...•....

# _.

''I;J'~~~'' March 27, 1997 

# 767 Service Bulletin EvaluatIon Form
AlA System: 5451 

### _011 B;c Hien!'ham I SUBJECT: NACEllElPYLON· STRlIlil AnACH FIISE PINS· uppeR UNKFUSE PIN INSPECTION I

REPLACEMENT , , I Use this. evaluation form 10taft us wt\8.t 

## '100 think. c4 1he CfJality of this 58l\oice bulletin, We will use the data thatyooglve us to ~ove the quaJily01

# t' seMce bulJetins.

~ Please do not ose this evaktatiorl form 10tEIB uSto make changesto your manuals. To make tt\ese changes. piease use a Pubfica500 Olange Request (peR) fOrm. 

### ,

3 2 1 (pOOr) 3 2 , (pOO<) No_If not.peaseexplai\l: TITLE: TELEXCOOE: BASE,

Yos__ ""

__ If not. p6easa explain: (goo<l) 4 (goo<l) • 

### Yes_ OPl::RATOR: PREPARED BY: ORGANIZATION, I TELEPHONE NUMBER, I

, I Please rate the quality of this SiM'Vicebulletin:
, Please rata the QUalitY 

### 01the 

### ilustrations: i WI! you do the change given by Ihis

# 4 bulletin? Is this service ool1e:tin easy to undefs1and? . Please gIVe usthisdata: I ,(It 

### nec:essary. please use ~ 

### othf;lIside. \lJankyoo 

### fOIthe time you u.sed"toQlve-USYOUI comments.) TOOAY'SOATE:

_

YOS

__ No_t100t.pleaS6~; A!e Ihe Pfanning Information. MateriaJ 

# 'mofmatioo. and Actompishment

lnstr'tJdions aa:;urale? Yes No

__ ff not. pMJaSEl

expLain:
No

__ If not, please BXpiajf1:
Gve Ibe <:ornpleled evaluation form 10

### yout ~ FIQIdService Representat:i\19 Of send the evalualion form Ciret1tito this address; : 

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__ """'"'" IluIaIIn ~ 

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### SlOp 20--85 $e8ttkl, WA.98124-2207