# Boeing Alert Requirements Bulletin 757-29A0071 RB: Revision 1, part 4 of 8 - Rights: © The Boeing Company. Filed by the FAA in regulations.gov docket FAA-2026-11821, the docket of a proposed AD (Federal Register 2026-22383). Not covered by OpenAirDocs’ CC0 dedication. - Document: [Boeing Alert Requirements Bulletin 757-29A0071 RB](https://openairdocs.org/service-documents/boeing/757-29a0071-rb.md) - Title as filed: 757-29A0071 RB R1_Part4 - Pages: 15 - PDF: https://openairdocs.org/files/sha256/c7/b9/c7b9b93e5fec267eebf892c83b817e689ebcd9ac2675e3dca3b4a9046d1e8cf2 - Page: https://openairdocs.org/service-documents/boeing/757-29a0071-rb/file/c7b9b93e5fec ## Text Some pages are OCR from a scan. OCR can misread letters and numbers. Each page's text from the PDF; open the PDF at a page with #page=N. ### Page 1 (OCR) REQUIREMENTS BULLETIN 757-29A0071 ALERT ALERT This Figure applies only to: Group 1-8, Configuration 1. STA 1040 1) 2 LOCATIONS RBL 60 2 LOCATIONS WL 150 INBD RIGHT WHEELWELL BULKHEAD STA 1040 VIEW LOOKING FORWARD 2993238 (TYPICAL) FIGURE 16: RIGHT WHEEL WELL BULKHEAD - FEEDTHRU SEALS - INSTALLATION (SHEET 1 OF 2) Original Issue: November 16, 2023 Revision 1 May 28, 2026 Export Controlled ECCN: 9E991 757-29A0071 RB See page 1 for details 81 of 286 ### Page 2 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 -2-SCREWRemove1 (a)(b)1-COVER PLATERemove2 (b)2BACS45A213SEALInstall (New)3 (b)2BACS12GU3K10SCREWInstall (New)4 (b)-BMS5-37, CLASS B-1/2 (BMS5-37, CLASS B-2 or BMS5-45, CLASS B-2 or BMS5-45, CLASS B-1/2 optional) SEALANTApply5 (a) If seals are installed at the location identified, remove seals. (b) Refer to SWPM 20-10-20 as an accepted procedure. FIGURE 16: RIGHT WHEEL WELL BULKHEAD - FEEDTHRU SEALS - INSTALLATION (SHEET 2 OF 2) Export Controlled ECCN: 9E991 See page 1 for details Original Issue: November 16, 2023 757-29A0071 RBRevision 1 May 28, 2026 82 of 286 REQUIREMENTS BULLETIN 757-29A0071 ALERTALERT ### Page 3 This Figure applies only to: Group 2, Configuration 1. REFERENCE: 757 WDM 29-22-11 DescriptionFlag Note Alternatively, deleted wire(s) can be capped and stowed. Refer to SWPM 20-10-11 as an accepted procedure. A Seal connector cavities of deleted wire or capped and stowed with Plug, End Seals. Refer to SWPM 20-60-08 as an accepted procedure. B FIGURE 17: BETWEEN DISCONNECT BRACKET AD1090 AND POWER TRANSFER UNIT CONTROL VALVE - WIRE BUNDLE W2514 - REMOVAL (SHEET 1 OF 1) Export Controlled ECCN: 9E991 See page 1 for details Original Issue: November 16, 2023 757-29A0071 RBRevision 1 May 28, 2026 83 of 286 REQUIREMENTS BULLETIN 757-29A0071 ALERTALERT ### Page 4 (OCR) REQUIREMENTS BULLETIN 757-29A0071 ALERT ALERT _ This Figure applies only to: Group 2, Configuration 1. POS 3 D43412P AD0880 (AD880) (POS 11 OPTIONAL) BRACKET DISCONNECT 5000 1060 STA STA W2514- 10000 900 STA 900 RIGHT BODY FAIRING 3017003 FIGURE 18: BETWEEN DISCONNECT BRACKET AD0880 AND POWER TRANSFER UNIT CONTROL VALVE - WIRE BUNDLE W2514 - WIRE ROUTING (SHEET 1 OF 3) Original Issue: November 16, 2023 Revision 1 May 28, 2026 Export Controlled ECCN: 9E991 757-29A0071 RB See page 1 for details 84 of 286 ### Page 5 (OCR) REQUIREMENTS BULLETIN 757-29A0071 ALERT ALERT STA 900 W2514 STA 1037.67 RIGHT LOWER STUB KEEL BEAM 3017004 FIGURE 18: BETWEEN DISCONNECT BRACKET AD0880 AND POWER TRANSFER UNIT CONTROL VALVE - WIRE BUNDLE W2514 - WIRE ROUTING (SHEET 2 OF 3) Original Issue: November 16, 2023 Revision 1 May 28, 2026 Export Controlled ECCN: 9E991 757-29A0071 RB See page 1 for details 85 of 286 ### Page 6 FIGURE 18: BETWEEN DISCONNECT BRACKET AD0880 AND POWER TRANSFER UNIT CONTROL VALVE - WIRE BUNDLE W2514 - WIRE ROUTING (SHEET 3 OF 3) Export Controlled ECCN: 9E991 See page 1 for details Original Issue: November 16, 2023 757-29A0071 RBRevision 1 May 28, 2026 86 of 286 REQUIREMENTS BULLETIN 757-29A0071 ALERTALERT ### Page 7 (OCR) REQUIREMENTS BULLETIN 757-29A0071 ALERT ALERT _ This Figure applies only to: Group 2, Configuration 1. W2514 12 GD2287-ST 1I0 GD2286-ST 1I0 AD0880 (AD880) GD954-DC 110 • 1018-16 3 LOCATIONS 3 LOCATIONS 2 2 2508R-16 W4236 2508B-16 2 > 2 LOCATIONS GD2287-ST 110 D3142 D43412P V10007 POS 03 PTU CONTROL (POS 11 OPTIONAL) VALVE 1117 ADDED WIRE OR NEW ROUTING > FIND NUMBER REFERENCE: 757 WDM 29-22-11 The find numbers (No.) shown below agree with the find number symbol in the figure. Find No. Name Identification Qty More Data 1 CONTACT BACC47CN3S 2 (a) 2 CONTACT, SOCKET, SIZE BACC47CP2S 3 (a) З SLEEVE, SOLDER, HEAT BACS13CT4D 2 (b) SHRINK TERMINAL, LUG BACT12AC49 1 (c)(d) (e) 5 TERMINAL 322338 1 (c) (d) (f) 6 CONNECTOR, ELECTRI- BACC63BP18C8P9 1 (a) CAL, PLUG, STRAIGHT, THREADED, COUPLING, SELF-LOCKING BACKSHELL BACC10KD18 1 (g) 9 ID - EQUIPMENT 280N3381-10402 (h) 10 ID - BUNDLE 280N3381-10403 1 (i) FIGURE 19: BETWEEN DISCONNECT BRACKET AD0880 AND POWER TRANSFER UNIT CONTROL VALVE - WIRE BUNDLE W2514 - INSTALLATION (SHEET 1 OF 2) Original Issue: November 16, 2023 Revision 1 May 28, 2026 Export Controlled ECCN: 9E991 See page 1 for details 757-29A0071 RB 87 of 286 ### Page 8 More DataQtyIdentificationName Find No. (j)6MS27488-12-2PLUG, END SEAL11 (c)(d)(e)3321898TERMINAL12 (c)(d)(f)1323750TERMINAL13 (k)1280N3381-10404JUMPER WIRE14 (l)1280N3381-10405ID - GROUND15 (b)2BACS13CT3DSLEEVE, SOLDER, HEAT SHRINK 16 (h)1280N3381-12504 (280N3381-12505 optional) ID - EQUIPMENT17 (k)-280N3381-123WWIRE - RAW MATERIAL18 (m)-BMS13-54, GRADE B, COLOR WHITE (280N3381-1003 optional) LACING TAPE (a) Refer to SWPM 20-61-11 as an accepted procedure. (b) Refer to SWPM 20-10-15 as an accepted procedure. (c) Refer to SWPM 20-30-11 as an accepted procedure. (d) Refer to SWPM 20-20-00 as an accepted procedure. (e) Refer to SWPM 20-20-10, Category 6 as an accepted procedure. (f) Dual terminated ground. Refer to SWPM 20-20-10, Section 4, Category 6 as an accepted procedure. (g) Refer to SWPM 20-60-09 as an accepted procedure. (h) Install within 6 inches of equipment. (i) Install within 12 inches of equipment. (j) Refer to SWPM 20-60-08 as an accepted procedure. (k) Refer to SWPM 20-10-11 as an accepted procedure. (l) Install within 4 inches of ground. (m) Refer to SWPM 20-10-11 and SWPM 20-10-19 as accepted procedures. WIRE LIST - CUT AND CODE AS REQUIRED NOTESMATERIAL SPECIFICATIONLENGTH (INCHES) TYPE CODE GAGE COLOR WIRE NUMBER WIRE BUNDLE -BMS13-48T12C01G01658VF161018W2514 -BMS13-48T12C02G016374VG162508BW2514 -VG162508RW2514 FIGURE 19: BETWEEN DISCONNECT BRACKET AD0880 AND POWER TRANSFER UNIT CONTROL VALVE - WIRE BUNDLE W2514 - INSTALLATION (SHEET 2 OF 2) Export Controlled ECCN: 9E991 See page 1 for details Original Issue: November 16, 2023 757-29A0071 RBRevision 1 May 28, 2026 88 of 286 REQUIREMENTS BULLETIN 757-29A0071 ALERTALERT ### Page 9 This Figure applies only to: Group 3, 7, Configuration 1. REFERENCE: 757 WDM 29-22-11 DescriptionFlag Note Alternatively, deleted wire(s) can be capped and stowed. Refer to SWPM 20-10-11 as an accepted procedure. A Seal connector cavities of deleted wire or capped and stowed with Plug, End Seals. Refer to SWPM 20-60-08 as an accepted procedure. B FIGURE 20: BETWEEN P33 PANEL AND DISCONNECT BRACKET AD0770 - WIRE BUNDLE W6670 - REMOVAL (SHEET 1 OF 1) Export Controlled ECCN: 9E991 See page 1 for details Original Issue: November 16, 2023 757-29A0071 RBRevision 1 May 28, 2026 89 of 286 REQUIREMENTS BULLETIN 757-29A0071 ALERTALERT ### Page 10 This Figure applies only to: Group 3, 7, Configuration 1. REFERENCE: 757 WDM 29-22-11 DescriptionFlag Note Alternatively, deleted wire(s) can be capped and stowed. Refer to SWPM 20-10-11 as an accepted procedure. A Seal connector cavities of deleted wire or capped and stowed with Plug, End Seals. Refer to SWPM 20-60-08 as an accepted procedure. B FIGURE 21: BETWEEN DISCONNECT BRACKET AD0770 AND DISCONNECT BRACKET AD1090 - WIRE BUNDLE W5770 - REMOVAL (SHEET 1 OF 1) Export Controlled ECCN: 9E991 See page 1 for details Original Issue: November 16, 2023 757-29A0071 RBRevision 1 May 28, 2026 90 of 286 REQUIREMENTS BULLETIN 757-29A0071 ALERTALERT ### Page 11 (OCR) REQUIREMENTS BULLETIN 757-29A0071 ALERT ALERT _ This Figure applies only to: Group 4, Configuration 1. STA 377.7 STA 900 STA 377.7 D43312P POS 11 W4236 P33 PANEL 2992616 FIGURE 22: BETWEEN P33 PANEL AND DISCONNECT BRACKET AD0880 - WIRE BUNDLE W4236 - WIRE ROUTING (SHEET 1 OF 12) Original Issue: November 16, 2023 Revision 1 May 28, 2026 Export Controlled ECCN: 9E991 757-29A0071 RB See page 1 for details 91 of 286 ### Page 12 (OCR) REQUIREMENTS BULLETIN 757-29A0071 ALERT ALERT STA 365.25 S-17R S-18R S-19R V4236 S-20R • S-21R S-22R S-23R • S-24R S-25R S-26R RIGHT MAIN EQUIPMENT CENTER SIDEWALL 2993432 FIGURE 22: BETWEEN P33 PANEL AND DISCONNECT BRACKET AD0880 - WIRE BUNDLE W4236 - WIRE ROUTING (SHEET 2 OF 12) Original Issue: November 16, 2023 Revision 1 May 28, 2026 Export Controlled ECCN: 9E991 757-29A0071 RB See page 1 for details 92 of 286 ### Page 13 FIGURE 22: BETWEEN P33 PANEL AND DISCONNECT BRACKET AD0880 - WIRE BUNDLE W4236 - WIRE ROUTING (SHEET 3 OF 12) Export Controlled ECCN: 9E991 See page 1 for details Original Issue: November 16, 2023 757-29A0071 RBRevision 1 May 28, 2026 93 of 286 REQUIREMENTS BULLETIN 757-29A0071 ALERTALERT ### Page 14 FIGURE 22: BETWEEN P33 PANEL AND DISCONNECT BRACKET AD0880 - WIRE BUNDLE W4236 - WIRE ROUTING (SHEET 4 OF 12) Export Controlled ECCN: 9E991 See page 1 for details Original Issue: November 16, 2023 757-29A0071 RBRevision 1 May 28, 2026 94 of 286 REQUIREMENTS BULLETIN 757-29A0071 ALERTALERT ### Page 15 FIGURE 22: BETWEEN P33 PANEL AND DISCONNECT BRACKET AD0880 - WIRE BUNDLE W4236 - WIRE ROUTING (SHEET 5 OF 12) Export Controlled ECCN: 9E991 See page 1 for details Original Issue: November 16, 2023 757-29A0071 RBRevision 1 May 28, 2026 95 of 286 REQUIREMENTS BULLETIN 757-29A0071 ALERTALERT --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). 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