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© The Boeing Company. Filed by the FAA in regulations.gov docket FAA-2016-9183; AD 2017-18-20 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

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Show pages 37–48
Page 49Open in PDF

More DataHole DiaQtyIdentificationNameCode --4BACR15GF8D14RIVET, 100 DEGE

(a) (b)0.2026-0.203616BACB30LM3-( )XBOLTF

(b)0.2026-0.203616BACW10AW3ASWASHER, OVERSIZE

(b)0.2026-0.203616BACN10JC3CDNUT

(a) (b)0.263-0.2661BACB30MY8K7XBOLT, PROTRUDING HD G

(b)0.263-0.2661BACC30M8COLLAR

(a)0.325-0.32812BACB30MY10K( )XBOLT, PROTRUDING HD H

(a)0.325-0.32812BACC30AG10COLLAR ASSEMBLY Pick up existing hole in the pressure door hinge structure. Use the existing fastener.

0.250-0.254---I

(a)0.200-0.2032BACB30NX6K( )XBOLT, PROTRUDING HD J -0.200-0.2032BACC30M6COLLAR

(a)0.200-0.2035BACB30NX6K3XBOLT, PROTRUDING HD K -0.200-0.2035BACC30M6COLLAR --25BACR15BB6D7CRIVET, UNIVERSAL HD L

(a) Install wet with BMS 5-95 sealant. Refer to SOPM 20-50-19 for an accepted procedure.

(b) Touch up bolt head, washer/nut, or collar, as applicable, below door lower frame with BMS 10-11, Type I primer and BMS 10-11 Type II enamel, color BAC 702 white gloss. Refer to SOPM 20-41-02 for an accepted procedure.

FIGURE 2: CAM SUPPORT ASSEMBLY AT STA 520, 540, 560, 580 - REPLACEMENT (SHEET 12 OF 12) Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: February 12, 2016 A3542 49 of 67 BOEING SERVICE BULLETIN A3542

ALERTALERT

Page 50OCROpen in PDF

BOEING SERVICE BULLETIN А3542

ALERT ALERT INBD 2461473 FIGURE 3: CAM SUPPORT ASSEMBLY AT STA 600 AND 612.9 - REPLACEMENT (SHEET 1 OF 12) Original Issue: February 12, 2016 Export Controlled ECCN: 9E991 - BOEING A3542 PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 50 of 67

Page 51OCROpen in PDF

BOEING SERVICE BULLETIN А3542

ALERT ALERT STA

612.9

CAM SUPPORT ASSEMBLY 16 LOCATIONS A 1

SUPPORT ASSEMBLY D000B 16 17 10 LOCATIONS

BRACKET 12 14 6 LOCATIONS (4 LOCATIONS) RADIUS FILLER 13

TENSION

TIE CLIP > PART PROFILE SHOWN IS REFERENCE ONLY 2461477 FIGURE 3: CAM SUPPORT ASSEMBLY AT STA 600 AND 612.9 - REPLACEMENT (SHEET 2 OF 12) Original Issue: February 12, 2016 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING A3542 Work - See page 1 for details. 51 of 67

Page 52OCROpen in PDF

BOEING SERVICE BULLETIN А3542

ALERT ALERT 8 0UU4 1518 STA 580 WEB STA 600 CAM SUPPORT

ASSEMBLY 16 LOCATIONS (7 17) (4 LOCATIONS) RADIOS FILLER 13 BRACKET 6 LOCATIONS (12) 14 6 3 18 10 17 17

TENSION TIE CLIP 15 18 €031 191 15 18)

SHEAR WEB ASSEMBLY CAM AND BELLCRANK 2461478 FIGURE 3: CAM SUPPORT ASSEMBLY AT STA 600 AND 612.9 - REPLACEMENT (SHEET 3 OF 12) Original Issue: February 12, 2016 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished A3542 Work - See page 1 for details. 52 of 67

Page 53OCROpen in PDF

BOEING SERVICE BULLETIN A3542

ALERT ALERT STA

612.9 CAM SUPPORT

ASSEMBLY ME NIE ALE

ME SHEAR WEB

CAM SUPPORT

ASSEMBLY ALE B :

BRACKET

SHEAR WEB

TENSION TIE CLIP A-A

TENSION TIE CLIP B-B 2461481 FIGURE 3: CAM SUPPORT ASSEMBLY AT STA 600 AND 612.9 - REPLACEMENT (SHEET 4 OF 12) Original Issue: February 12, 2016 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING A3542 Work - See page 1 for details. 53 of 67

Page 54OCROpen in PDF

BOEING SERVICE BULLETIN А3542

ALERT ALERT

CAM SUPPORT

ASSEMBLY

CAM SUPPORT

ASSEMBLY STA 600

SHEAR WEB 7 7 7 7 TENSION

TIE CLIP D-D

- BRACKET

SHEAR WEB

TENSION TIE CLIP C-C 2461482 FIGURE 3: CAM SUPPORT ASSEMBLY AT STA 600 AND 612.9 - REPLACEMENT (SHEET 5 OF 12) Original Issue: February 12, 2016 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished A3542 Work - See page 1 for details. 54 of 67

Page 55OCROpen in PDF

BOEING SERVICE BULLETIN А3542

ALERT ALERT

CAM SUPPORT

ASSEMBLY STA

612.9 CAM SUPPORT

ASSEMBLY

•

CAM SUPPORT CAM SUPPORT

ASSEMBLY ASSEMBLY

SHEAR WEB

612.9 STA E-E STA 600 2461483 FIGURE 3: CAM SUPPORT ASSEMBLY AT STA 600 AND 612.9 - REPLACEMENT (SHEET 6 OF 12) Original Issue: February 12, 2016 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING A3542 Work - See page 1 for details. 55 of 67

Page 56Open in PDF

The step numbers shown below agree with the numbers shown in the circle symbols in the figure. The QTY numbers shown below are the number of parts necessary for each airplane.

More DataQtyIdentificationNameTaskStep -1-WEBRemove / Keep1 1-CAM AND BELL-

CRANK ASSEMBLY Keep spacers.2-TENSION TIE CLIP -1-SHEAR WEB 2-BRACKET 1-SUPPORT ASSEMBLY Keep cam support assembly at STA 600 for use as an aid during alignment of new cam support assembly.

2-CAM SUPPORT AS- SEMBLY Remove Temporary install using existing holes to maintain original position.

1-CAM SUPPORT AS- SEMBLY Install (Kept)2 -169-23588U10CAM SUPPORT AS- SEMBLY Put / Hold (New)3 1-BRACKETPut / Hold (Kept)

(a)1-SUPPORT ASSEMBLY -1-CAM AND BELL-

CRANK ASSEMBLY Install (Temporary) Pick up existing holes.

-69-23588U10CAM SUPPORT AS- SEMBLY Drill4 --BRACKET Pick up existing holes. (a) --SUPPORT ASSEMBLY -1-CAM AND BELL-

CRANK ASSEMBLY Remove / Keep5 1-CAM SUPPORT AS- SEMBLY Remove (Kept) FIGURE 3: CAM SUPPORT ASSEMBLY AT STA 600 AND 612.9 - REPLACEMENT (SHEET 7 OF 12) Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: February 12, 2016 A3542 56 of 67 BOEING SERVICE BULLETIN A3542

ALERTALERT

Page 57Open in PDF

More DataQtyIdentificationNameTaskStep -169-23588U9CAM SUPPORT AS- SEMBLY Put / Hold (New)6 1-BRACKETPut / Hold (Kept) 1-CAM AND BELL-

CRANK ASSEMBLY Install (Temporary) Pick up existing holes.

-69-23588U9CAM SUPPORT AS- SEMBLY Drill7 --BRACKET -1-CAM AND BELL-

CRANK ASSEMBLY Remove / Keep8 169-23588U9CAM SUPPORT AS- SEMBLY 169-23588U10CAM SUPPORT AS- SEMBLY 2-BRACKET 1-SUPPORT ASSEMBLY -169-23588U9CAM SUPPORT AS- SEMBLY Install (Temporary)9 169-23588U10CAM SUPPORT AS- SEMBLY 1-SHEAR WEB Install kept spacers.2-TENSION TIE CLIP Pick up existing holes in shear web and tension tie clip.

-69-23588U9CAM SUPPORT AS- SEMBLY Drill (Kept)10 -69-23588U10CAM SUPPORT AS- SEMBLY --SHEAR WEB --TENSION TIE CLIP -169-23588U9CAM SUPPORT AS- SEMBLY Remove / Keep11 169-23588U10CAM SUPPORT AS- SEMBLY 1-SHEAR WEB Keep spacers.2-TENSION TIE CLIP FIGURE 3: CAM SUPPORT ASSEMBLY AT STA 600 AND 612.9 - REPLACEMENT (SHEET 8 OF 12) Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: February 12, 2016 A3542 57 of 67 BOEING SERVICE BULLETIN A3542

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Page 58Open in PDF

More DataQtyIdentificationNameTaskStep

(b)-69-23588U9CAM SUPPORT AS- SEMBLY Drill (Kept)12 -69-23588U10CAM SUPPORT AS- SEMBLY --SHEAR WEB ----Clean/Deburr

(c)8-RADIUS FILLERMake13 Bench work. Install radius fillers at 3 locations on each cam support assembly.

169-23588U9CAM SUPPORT AS- SEMBLY Assemble14 169-23588U10CAM SUPPORT AS- SEMBLY 1-SHEAR WEB Assembled cam support assemblies and shear web.

169-23588U9CAM SUPPORT AS- SEMBLY Put / Hold15 69-23588U10CAM SUPPORT AS- SEMBLY 1-SHEAR WEB Install kept spacers.2-TENSION TIE CLIP ---SHEAR WEBDrill16 ----Clean/Deburr17

(d) (e)169-23588U9CAM SUPPORT AS- SEMBLY Install (Kept)18 169-23588U10CAM SUPPORT AS- SEMBLY -2-BRACKET 1-SUPPORT ASSEMBLY Install radius fillers at remaining locations.

1-SHEAR WEB Install kept spacers.2-TENSION TIE CLIP Refer to CMM 52- 36-61 for an accepted procedure.

1-CAM AND BELL-

CRANK ASSEMBLY FIGURE 3: CAM SUPPORT ASSEMBLY AT STA 600 AND 612.9 - REPLACEMENT (SHEET 9 OF 12) Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: February 12, 2016 A3542 58 of 67 BOEING SERVICE BULLETIN A3542

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Page 59Open in PDF

More DataQtyIdentificationNameTaskStep Fay and fillet seal with BMS 5-95 sealant. Refer to SOPM 20-50-19 for an accepted procedure.

1-WEBInstall (Kept)19 Refer to 707 AMM 52-11-0 for an accepted procedure.

-BMS 3-33GREASEApply20

(a) The door hook mechanism can be used as an aid to position the support assembly. Additional put/hold and drilling tasks may be necessary for the support assembly and are as required.

(b) Bench work. Temporary assemble through holes common to the tension tie clip. Maintain the main cargo door frame-to-frame mounting surface distance between the cam support assemblies during drilling.

(c) Make from 2024-T3 alclad, 2024-T4 alclad, or 7075-T6 alclad aluminum. Approximately 0.75 inch square by 0.125 inch thick. Optional to make in one piece rather than 4. Radius bottom of filler to fit curvature of fitting (0.010 inch maximum gap prior to fastener installation. Apply chemical conversion coating Type 1 or Type 2, Class A or C. Refer to SOPM 20-43-03 as an accepted procedure. Apply two coats of BMS 10-11, Type I primer. Refer to SOPM 20-41-02 for an accepted procedure.

(d) Apply one layer of BMS 10-11, Type II enamel, color BAC 702 white gloss below door lower frame, except in cam latch bores, prior to installation of cam and bellcrank assembly. Refer to SOPM 20-41-02 for an accepted procedure..

(e) Apply BMS 3-23, Type II corrosion inhibiting compound above and below door lower frame, except in cam latch bores, prior to installation of cam and bellcrank assembly. Refer to 707 CPM 52-30-07 and SOPM 20-41-05 for an accepted procedure.

FIGURE 3: CAM SUPPORT ASSEMBLY AT STA 600 AND 612.9 - REPLACEMENT (SHEET 10 OF 12) Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: February 12, 2016 A3542 59 of 67 BOEING SERVICE BULLETIN A3542

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Page 60Open in PDF

The codes shown below agree with the letter shown in the upper left corner of the fastener symbols in the figure.

A number in the lower right corner gives the grip length of the fastener. The QTY numbers shown below are the number of fasteners necessary for this figure.

More DataHole DiaQtyIdentificationNameCode

(a)0.325-0.32818BACB30MY10K( )XBOLT, PROTRUDING HD A -0.325-0.32818BACC30M10COLLAR

(a)0.325-0.3281BACB30NW10K7XBOLT, 100 DEG HEX DR B -0.325-0.3281BACC30M10COLLAR

(a)0.388-0.3911BACB30MY12K10XBOLT, PROTRUDING HD C -0.388-0.3911BACC30M12COLLAR

(a)0.2651-0.26618BACB30MY8K( )XBOLT, PROTRUDING HD D -0.2651-0.26618BACC30M8COLLAR

(a)0.2651-0.26614BACB30LM4-( )XBOLTE -0.2651-0.26614BACW10AW4ASWASHER, OVERSIZE -0.2651-0.26614BACN10JC4CDNUT,SELF-LOCKING

(a)0.2651-0.26614BACB30NW8K( )XBOLT, 100 DEG HEX DR F -0.2651-0.26614BACC30M8COLLAR --4BACR15GF8D14RIVET, 100 DEGG

(a) (b)0.2651-0.266110BACB30LM4-( )XBOLTH

(b)0.2651-0.266110BACW10AW4ASWASHER, OVERSIZE

(b)0.2651-0.266110BACN10JC4CDNUT,SELF-LOCKING

(a) (b)0.263-0.2661BACB30MY8K7XBOLT, PROTRUDING HD I

(b)0.263-0.2661BACC30M8COLLAR

(a)0.200-0.2032BACB30NX6K( )XBOLT, PROTRUDING HD J -0.200-0.2032BACC30M6COLLAR

(a)0.200-0.2035BACB30NX6K4XBOLT, PROTRUDING HD K -0.200-0.2035BACC30M6COLLAR FIGURE 3: CAM SUPPORT ASSEMBLY AT STA 600 AND 612.9 - REPLACEMENT (SHEET 11 OF 12) Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: February 12, 2016 A3542 60 of 67 BOEING SERVICE BULLETIN A3542

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Pages 61–67 of 67