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Commercial Airplanes 767 Requirements Bulletin ALERT Number: 767-38A0076 RB Original Issue: December 01, 2023 ATA System: 3811 2158 SUBJECT: WATER/WASTE - Storage And Distribution - Lower Lobe Section 43 Potable Water System Plumbing Left Side, Hoseduct Installation EXPORT CONTROLLED - This technology or software is subject to the U.S. Export Administration Regulations (EAR), (15 C.F.R. Parts 730-774). No authorization from the U.S. Department of Commerce is required for export, re-export, in-country transfer, or access EXCEPT to country group E:1 or E:2 countries/persons per Supp.1 to Part 740 of the EAR.
9E991ECCN:
Copyright © 2023 The Boeing Company Treatment of this document and its content is governed by contract with Boeing. Rights to use this document are licensed on a per aircraft basis and such rights may not be transferable. For more information, contact The Boeing Company.
Boeing, the Boeing signature, the Boeing symbol, 707, 717, 727, 737, 747, 757, 767, 777, 787, Dreamliner, BBJ, DC-8, DC-9, DC-10, KC-10, KC-46, KDC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8, Poseidon and Boeing liveries are all trademarks owned by The Boeing Company; and no trademark license is granted in connection with this document unless provided in writing by Boeing.
Original Issue: December 01, 2023 767-38A0076 RB 1 of 116
4.0
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: December 01, 2023 767-38A0076 RB 2 of 116 REQUIREMENTS BULLETIN 767-38A0076
ALERTALERT
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Table of Contents
1. EFFECTIVITY5
A. Airplanes5
B. Spares Affected9
2. CONCURRENT REQUIREMENTS10
3. COMPLIANCE10
4. APPROVAL13
5. ACCOMPLISHMENT INSTRUCTIONS15
A. General Information15
B. Work Instructions16
FIGURE 1: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCT
INSTALLATION [Group 4, Configuration 1]24
FIGURE 2: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCT
INSTALLATION [Group 4, Configuration 2]31
FIGURE 3: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCT
INSTALLATION [Group 8, Configuration 1]36
FIGURE 4: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCT
INSTALLATION [Group 8, Configuration 2]40
FIGURE 5: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM WITH HEATER
TAPE INSTALLED - HOSEDUCT INSTALLATION [Group 9]45
FIGURE 6: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCTS
AND SPRAY SHIELDS INSTALLATION [Group 6]50
FIGURE 7: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCT
INSTALLATION [Group 3, Configuration 1]56
FIGURE 8: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCT
INSTALLATION [Group 3, Configuration 2]62
FIGURE 9: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - SUPPLY
HOSES, TEE FITTINGS, AND HOSEDUCTS INSTALLATION [Group 5]68
FIGURE 10: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCT
AND SPRAY SHIELDS INSTALLATION [Group 5]79
FIGURE 11: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCT
AND SPRAY SHIELD INSTALLATION [Group 1]84
FIGURE 12: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCT
AND SPRAY SHIELD INSTALLATION [Group 2]89
FIGURE 13: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCT
AND SPRAY SHIELD INSTALLATION [Group 7]94
FIGURE 14: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM - HOSEDUCTS
AND SPRAY SHIELD INSTALLATION [Group 10]100
FIGURE 15: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM WITH HEATER
TAPE INSTALLED - HOSEDUCT INSTALLATION [Group 11]105
FIGURE 16: LEFT SIDE FORWARD CARGO COMPARTMENT, POTABLE WATER SYSTEM WITH HEATER
TAPE INSTALLED - HOSEDUCT INSTALLATION [Group 12]112
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: December 01, 2023 767-38A0076 RB 3 of 116 REQUIREMENTS BULLETIN 767-38A0076
ALERTALERT
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: December 01, 2023 767-38A0076 RB 4 of 116 REQUIREMENTS BULLETIN 767-38A0076
ALERTALERT
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Commercial Airplanes 767 Requirements Bulletin ALERT Number: 767-38A0076 RB Original Issue: December 01, 2023 ATA System: 3811 2158 SUBJECT: WATER/WASTE - Storage And Distribution - Lower Lobe Section 43 Potable Water System Plumbing Left Side, Hoseduct Installation
THIS DOCUMENT IS SENT TO THE OPERATORS OF RECORD OF THE AIRPLANES SHOWN IN PARAGRAPH 1.A., EFFECTIVITY. IF AN AIRPLANE HAS BEEN LEASED OR SOLD, SEND THIS DOCUMENT TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS DOCUMENT TO THE NEW OWNER. THIS IS AN ENHANCED REQUIRED FOR COMPLIANCE DOCUMENT. THE BOEING
PROCESSES USED TO CREATE THE SERVICE BULLETIN (SB) AND THE REQUIREMENTS BULLETIN (RB) ENSURE THAT THE INFORMATION BETWEEN "RC START" AND "RC END" IN THE SB ARE IDENTICAL TO THE INFORMATION IN THE SAME SECTIONS (COMPLIANCE, WORK INSTRUCTIONS…) OF THE RB WHICH THE SB REFERS TO AS THE RELATED DOCUMENT.
1. Effectivity A. Airplanes This bulletin is applicable to 767-200, 767-300, 767-400ER Airplane(s), line number(s) 1-268, 270-284, 286-378, 380-429, 431, 433, 435-437, 439-462, 464-483, 485-507, 509-532, 534-555, 557-567, 569, 571-579, 581-585, 588-589, 591-592, 595, 597, 599, 601-603, 605-606, 608-614, 617-621, 627, 629, 631, 633, 637, 639, 642-644, 646-648, 651-659, 661, 664-665, 667-669, 671, 673, 675-677, 679-680, 683-690, 692-693, 695-709, 711, 714-717, 719-723, 725, 727, 729, 731, 733-736, 738-742, 744-755, 757-759, 761-763, 766-770, 772-773, 776-777, 779-785, 787-791, 793-797, 799-801, 803-805, 807-816, 818-828, 830, 833-834, 836, 838-840, 842-843, 845, 847, 849-853, 855-857, 859, 861-876, 878-884, 886, 888-891, 893-898, 901, 903-904, 906, 908-910, 912, 914-915, 917-920, 922, 924-933, 935, 938, 940-943, 951-955, 957-958, 961-966, 969-978, 984-985, 990, 993-1001, 1004, 1007, 1009-1010, 1012-1013, 1015, 1017-1019, 1021, 1023, 1029-1030, 1034, 1042, 1047, 1050, 1054, 1060, 1062, 1068 in 12 Group(s). Where the effectivity is presented with hyphens between line numbers, the airplane applicability means "through" and "inclusive", e.g. line numbers 1-9 means line numbers 1 through 9 inclusive.
The Variable Numbers and Group Information for the applicable airplanes is given below.
This bulletin is not applicable to any 767-300 Passenger Airplane listed that has been modified to a 767-300 Boeing Converted Freighter (BCF) after the Original Issue date of this bulletin.
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: December 01, 2023 767-38A0076 RB 5 of 116
DESCRIPTIONCONFIGURATIONGROUP 767-200/300/400ER Airplanes delivered with the equipment cooling supply duct inlet located between STA 478 and STA 500, and with one innerline heater in the section 43 potable water system plumbing between STA 434 and STA 456.
- 1 767-300 Airplanes delivered with the equipment cooling supply duct inlet located between STA 478 and STA 500, and with no innerline heaters in the section 43 potable water system plumbing between STA 434 and STA 456.
- 2 767-200/300 Airplanes delivered with the equipment cooling supply duct inlet located between STA 522 and STA 544, and with clamshell couplers for the section 43 potable water system plumbing between STA 434 and STA 632
- 3 Airplanes that have supply hose with tee fitting at STA 632.1 Airplanes that have supply hose with 90 degree fitting at STA 632.2 767-200/300 Airplanes delivered with the equipment cooling supply duct inlet located between STA 566 and STA 588, and without clamshell couplers for the section 43 potable water system plumbing between STA 434 and STA 632 without heater tape installed.
- 4 Airplanes that have supply hose with tee fitting at STA 632.1 Airplanes that have supply hose with 90 degree fitting at STA 632.2 767-200 Airplane delivered with the equipment cooling supply duct inlet located between STA 478 and STA 500, and with section 43 potable water system plumbing lavatory supply provision between STA 478 and STA 500.
- 5 767-200 Airplanes delivered with the equipment cooling supply duct inlet located between STA 522 and STA 544, and with section 43 potable water system plumbing lavatory supply provisions between STA 478 and STA 500, and between STA 522 and STA 544.
- 6 767-300 Airplanes delivered with the equipment cooling supply duct inlet located between STA 478 and STA 500, and with two innerline heaters in the section 43 potable water system plumbing between STA 434 and STA 456.
- 7 Export Controlled ECCN: 9E991 See page 1 for details Original Issue: December 01, 2023 767-38A0076 RB 6 of 116 REQUIREMENTS BULLETIN 767-38A0076
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DESCRIPTIONCONFIGURATIONGROUP 767-200/300 Airplanes delivered with the equipment cooling supply duct inlet located between STA 522 and STA 544, and without clamshell couplers for the section 43 potable water system plumbing between STA 434 and STA 632 without heater tape installed.
- 8 Airplanes that have supply hose with tee fitting at STA 632.1 Airplanes that have supply hose with 90 degree fitting at STA 632.2 767-200 Airplanes delivered with the equipment cooling supply duct inlet located between STA 544 and STA 566, and without clamshell couplers for the section 43 potable water system plumbing between STA 434 and STA 632 with heater tape installed.
- 9 767-200 Airplanes delivered with the equipment cooling supply duct inlet located between STA 566 and STA 588, and with section 43 potable water system plumbing lavatory supply provisions between STA 522 and STA 577.
- 10 767-200 Airplanes delivered with the equipment cooling supply duct inlet located between STA 566 and STA 588, and without clamshell couplers for the section 43 potable water system plumbing between STA 434 and STA 632 with heater tape installed.
- 11 767-200/300 Airplanes delivered with the equipment cooling supply duct inlet located between STA 522 and STA 544, and without clamshell couplers for the section 43 potable water system plumbing between STA 434 and STA 632 with heater tape installed.
- 12 Airplane Models:
767-200, 767-300, 767-400ER GroupVariable Number 11VA001 - VA020 4VA301 - VA315 4VA501 - VA519 8VA520 - VA530 11VA701 - VA712 12VA713 - VA719 4VA801 - VA810 11VB001 - VB002 GroupVariable Number 4VB051 - VB055 4VB101 - VB123 8VB124 - VB125 11VB201 - VB202 11VB251 - VB253 4VB281 - VB284 4VB301 8VB302 GroupVariable Number 4VB321 - VB324 8VB325 - VB332 4VB371 - VB373 4VB401 8VB441 - VB444 4VE001 - VE002 8VE003 10VE021 - VE023 Export Controlled ECCN: 9E991 See page 1 for details Original Issue: December 01, 2023 767-38A0076 RB 7 of 116 REQUIREMENTS BULLETIN 767-38A0076
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GroupVariable Number 4VE041 - VE043 4VE061 - VE068 8VE069 8VE083 - VE086 4VE101 - VE103 8VE104 4VE116 - VE117 8VE118 8VE121 - VE126 8VE141 - VE152 8VE171 - VE172 8VF001 - VF002 8VF041 - VF042 8VF051 8VF061 - VF062 9VF071 - VF072 8VF091 - VF093 8VF101 - VF102 6VF161 - VF162 8VF171 - VF172 8VF180 3VF181 - VF184 5VF251 4VK001 - VK003 8VK004 - VK011 3VK012 - VK014 1VK015 - VK016 8VK021 - VK022 4VK031 8VK032 - VK056 8VK081 - VK107 3VK108 - VK113 8VK131 - VK133 GroupVariable Number 8VK141 - VK143 1VK144 - VK148 8VK161 - VK163 3VK164 3VK171 1VK181 1VK186 8VL001 - VL006 8VL011 3VL701 - VL702 3VL752 - VL753 1VL755 1VL871 - VL873 1VL892 - VL894 1VL896 1VL898 - VL900 1VL911 - VL913 1VL931 - VL932 1VL941 8VN001 - VN035 3VN036 - VN041 8VN051 - VN062 12VN063 8VN081 - VN093 3VN094 - VN095 1VN099 8VN111 - VN127 8VN130 - VN135 1VN136 - VN137 8VN151 - VN158 8VN163 - VN168 8VN171 - VN173 1VN174 GroupVariable Number 1VN198 8VN211 - VN212 8VN221 - VN224 1VN225 8VN231 - VN234 8VN241 - VN243 8VN251 - VN264 3VN265 2VN266 - VN276 8VN291 3VN292 1VN293 8VN301 - VN313 3VN314 8VN371 - VN372 8VN376 8VN381 - VN387 1VN388 3VN421 - VN423 1VN424 - VN427 1VN436 8VN471 - VN472 8VN491 - VN513 8VN531 - VN532 8VN536 - VN537 8VN541 - VN542 8VN546 - VN547 8VN551 8VN556 - VN557 8VN561 - VN562 8VN631 - VN636 1VN637 8VN651 - VN653 Export Controlled ECCN: 9E991 See page 1 for details Original Issue: December 01, 2023 767-38A0076 RB 8 of 116 REQUIREMENTS BULLETIN 767-38A0076
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GroupVariable Number 3VN654 - VN656 1VN658 8VN671 - VN672 3VN676 8VN681 - VN689 3VN690 - VN691 8VN731 3VN732 8VN751 - VN753 8VN811 - VN813 8VN922 7VN933 - VN934 7VN936 8VN951 1VN953 1VN966 - VN967 1VN969 3VN971 1VN972 1VQ001 - VQ021 1VQ071 - VQ086 1VQ111 1VR051 - VR060 1VR081 1VR084 1VR086 - VR089 1VR106 - VR109 1VR401 1VR421 - VR423 1VR426 1VR441 GroupVariable Number 1VR461 2VR471 - VR472 1VS052 - VS053 1VS055 - VS056 1VS061 2VS066 - VS070 2VS073 - VS078 1VS091 - VS104 1VS112 - VS113 1VS131 - VS133 1VS136 - VS137 1VS176 - VS177 1VS196 - VS203 1VS206 - VS208 1VS211 1VS216 1VS246 - VS248 1VS261 - VS263 2VS266 - VS274 1VS291 - VS293 1VS301 - VS303 1VS306 - VS311 1VS316 7VS321 - VS322 7VS324 1VS336 - VS337 1VS367 1VS391 1VS401 1VS426 - VS428 2VS466 - VS472 GroupVariable Number 1VS486 7VS548 - VS549 1VS701 - VS703 1VS706 - VS708 1VS710 - VS720 1VS722 - VS736 1VS751 1VS754 1VS756 - VS757 1VS823 - VS825 1VS841 - VS844 1VS881 - VS883 1VS891 1VS896 1VS901 1VS905 - VS907 1VS910 7VS916 1VS921 - VS924 1VS931 - VS933 1VS941 1VS951 - VS954 1VS961 - VS969 1VS971 - VS977 7VS981 - VS984 1VT001 1VT004 1VT008 7VT021 7VT031 - VT033 -- B. Spares Affected None.
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: December 01, 2023 767-38A0076 RB 9 of 116 REQUIREMENTS BULLETIN 767-38A0076
ALERTALERT
2. CONCURRENT REQUIREMENTS None.
3. COMPLIANCE The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to Requirements Bulletin 767-38A0076 RB. The Airworthiness Directive will make the compliance tasks and times given in Requirements Bulletin 767-38A0076 RB mandatory.
Accomplish the required action(s), based on the applicable condition(s) in Tables 1 to 7, in accordance with Accomplishment Instructions.
Group 1, 7:
Table 1: Lower Lobe Section 43 Left Side - Potable Water System Plumbing - Hoseduct and Spray Shield Installation Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time ActionCondition -Within 36 months after the Original Issue date of Requirements Bulletin 767-38A0076 RB.
ACTION 1: Install hoseduct and support clamps.
All Airplanes ACTION 2: Install spray shield.
ACTION 3: Do the potable water system leakage test.
If any leakage is found, do applicable corrective actions and repeat the test until no leakage is found.
Group 2:
Table 2: Lower Lobe Section 43 Left Side - Potable Water System Plumbing - Hoseduct and Spray Shield Installation Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time ActionCondition -Within 36 months after the Original Issue date of Requirements Bulletin 767-38A0076 RB.
ACTION 1: Install hoseduct and support clamps.
All Airplanes ACTION 2: Install spray shield.
ACTION 3: Do the potable water system leakage test.
If any leakage is found, do applicable corrective actions and repeat the test until no leakage is found.
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: December 01, 2023 767-38A0076 RB 10 of 116 REQUIREMENTS BULLETIN 767-38A0076
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Group 3, 8-9, 12:
Table 3: Lower Lobe Section 43 Left Side - Potable Water System Plumbing - Hoseduct Installation Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time ActionCondition -Within 36 months after the Original Issue date of Requirements Bulletin 767-38A0076 RB.
ACTION 1: Install hoseduct and support clamps.
All Airplanes ACTION 2: Install new tie straps on supply hose.
ACTION 3: Do the potable water system leakage test.
If any leakage is found, do applicable corrective actions and repeat the test until no leakage is found.
Group 4, 11:
Table 4: Lower Lobe Section 43 Left Side - Potable Water System Plumbing - Hoseduct Installation Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time ActionCondition -Within 36 months after the Original Issue date of Requirements Bulletin 767-38A0076 RB.
ACTION 1: Install hoseduct and support clamps.
All Airplanes ACTION 2: Do the potable water system leakage test.
If any leakage is found, do applicable corrective actions and repeat the test until no leakage is found.
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: December 01, 2023 767-38A0076 RB 11 of 116 REQUIREMENTS BULLETIN 767-38A0076
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Group 5:
Table 5: Lower Lobe Section 43 Left Side - Potable Water System Plumbing - Supply Hoses, Tee Fittings, Hoseducts and Spray Shields Installation Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time ActionCondition -Within 36 months after the Original Issue date of Requirements Bulletin 767-38A0076 RB.
ACTION 1: Remove supply hoses and tee fittings.
All Airplanes ACTION 2: Install new supply hoses, tee fittings, hoseducts and support clamps.
ACTION 3: Install tee fitting shroud and spray shields.
ACTION 4: Do the potable water system leakage test.
If any leakage is found, do applicable corrective actions and repeat the test until no leakage is found.
Group 6:
Table 6: Lower Lobe Section 43 Left Side - Potable Water System Plumbing - Supply Hose, Tee Fitting, Hoseducts, and Spray Shields Installation Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time ActionCondition -Within 36 months after the Original Issue date of Requirements Bulletin 767-38A0076 RB.
ACTION 1: Remove supply hoses and tee fittings.
All Airplanes ACTION 2: Install new supply hoses, tee fitting, hoseducts, spray shields, and support clamps.
ACTION 3: Do the potable water system leakage test.
If any leakage is found, do applicable corrective actions and repeat the test until no leakage is found.
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: December 01, 2023 767-38A0076 RB 12 of 116 REQUIREMENTS BULLETIN 767-38A0076