Copy · Intertechnique SB MXP 1-4-35-175 R02 · 9 pages

© Intertechnique. Filed by the FAA in regulations.gov docket FAA-2010-1042; AD 2013-07-09 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

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ZODIAC

ZODIAC SERVICES AEROSPACE

ZODIAC SERVICES Technical Publication Department 7, avenue du Parana BP 303 91958 COURTABOEUF CEDEX - FRANCE Phone international: + 33 1 64 86 69 59 Fax international: + 33 1 64 86 69 84 TPI Web site: http://tpi.services.zodiacaerospace.com/technical/tpi

TRANSMITTAL SHEET This Revision applies to the Revision 02, dated 20110510, of Service Bulletin MXP1/4-35-175.

REASON FOR REVISION Update of § 3 A, Figure 1 Updated, Figure 2 added, Table 2 added.

REVISION SEQUENCE Initial Issue : 20090911 Rev01 . 20101115 Rev02 20110510 DATE: 20110510 SERVICE BULLETIN: MXP1/4-35-175 PAGE: 1/2

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..." ....

SERVICE BULLETIN

THIS PAGE INTENTIONALLY LEFT BLANK DATE: 20110510 SERVICE BULLETIN: MXP1/4-35-175 PAGE: 2/2

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ZODIAC

INTERTECHNIQUE AEROSPACE

AIRCRAFT SYSTEMS (OXYGEN AND LIFE SUPPORT DEPARTMENT) SERVICE BULLETIN 61, RUE PIERRE CURIE - BOITE POSTALE N° 1 78373 PLAISIR CEDEX - FRANCE Phone : (33) 1 61 34 23 23 - Fax : (33) 1 30 55 71 61 TITLE: OXYGEN - FLIGHT CREW MASK STOWAGE PNR MXP147 Series, MXP402 Series, MXP410 Series - INSPECTION FOR POTENTIAL DEFECTIVE

COMPONENT

1. PLANNING INFORMATION A. Effectivity

(1) Aircraft application Boeing aircraft: B737, B747, B767 See Boeing Service Bulletins 737-35A1121, 747-35A2126, and 767-35A0057 for specific affected airplane effectivities.

(2) Concerned equipment This Service Bulletin applies to Flight Crew Mask Stowage PNR MXP147, MXP147-2, MXP147-3, MXP147-5, MXP402, MXP402-2, and MXP410-1 with serial numbers listed in Table 1 in appendix.

(3) Affected sub-assemblies Not applicable

(4) Production Not applicable

(5) In Service Refer to the Table 1 in appendix for the list of serial numbers of concerned equipments.

(6) Spares parts Check Spares inventory for any affected serial number (Refer to the Table 1 in appendix for the list of serial numbers of concerned equipments).

DATE: 20110510 SERVICE BULLETIN: MXP1/4-35-175 REVISION N°: 2 PAGE: 1/7

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SERVICE BULLETIN B. Concurrent Requirements

(1) Effected airlines should notify Zodiac Services Europe (contact Nadia Fajri - phone: 33 1 64 86 53 53 - e-mail: Nadia.Fajri@zodiacaerospace.com) of the part number and quantity of boxes needed, a minimum of 30 days (Q ≤ 20 units) or 60 days (Q > 20 units) prior to scheduled maintenance for replacement of the boxes.

Effected airlines need to comply with Boeing SB 737-35A1121, 747-35A2126 or 767-35A0057 as applicable.

C. Reason

(1) To inform the operators that several case of escapement were observed recently on the inlet fitting PNR 414490 (not procurable part), which is assembled on the supply hose assembly of the above equipments.

(2) To provide instructions for inspection of potentially defective equipment.

D. Description The cause of this escapement is an incorrect deburring on a batch of primary parts. Unfortunately, several units of Flight Crew Mask Stowage Boxes were manufactured between July 12, 2007 and November 20, 2007 with parts from this batch, and delivered before the defect was detected. The list of units delivered with a risk of non conformance is detailed in Table 1 of the appendix.

In case a burr becomes detached from the inlet fitting it can travel in the oxygen supply tube down to the non return valve and filter assembled in the circuit:

- For MXP147 Series, the non return valve and the filter are integrated in the supply hose assembly.

For MXP402 Series and MXP410 Series, the non return valve and filter are installed at the inlet of the equipped body of the pneumatic assembly.

E. Compliance Incorporation of this Service Bulletin is required by Intertechnique within 24 months of Service Bulletin availability.

F. Approval The technical content of this Service Bulletin has been reviewed and acknowledged by the aircraft manufacturer.

G. Manpower

(1) 1 technician

(2) Tasks: Inspect Serial Number - Remove and replace if serial number inspected is found in Table 1 of appendix.

H. Weight and Balance None DATE: 20110510 SERVICE BULLETIN: MXP1/4-35-175 REVISION N°: 2 PAGE: 2/7

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SERVICE BULLETIN Electrical Load Data Not Changed J. Software Accomplishment Summary Not applicable K. References

(1) Component Maintenance Manuals 35-11-79: Flight Crew Mask Stowage MXP100 Series 35-13-42: Flight Crew Mask Stowage MXP400 Series Boeing SB 737-35A1121, 747-35A2126 or 767-35A0057 L. Publications Affected Not affected M. Interchangeability Not affected

2. MATERIAL INFORMATION A. Material - Price and Availability

(1) Material

PNR QTY MXP147 14 MXP147-2 33 MXP 147-3 4 MXP 147-5 61 MXP402 9 MXP402-2 MXP410-1 41

(2) Price Not Applicable.

(3) Availability Not Applicable.

DATE: 20110510 SERVICE BULLETIN: MXP1/4-35-175 REVISION N°: 2 PAGE: 3/7

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SERVICE BULLETIN B. Industry Support Information Not applicable C. Material Necessary for Each Component (Unit) Not applicable D. Material necessary for each spare Not applicable E. Re-identified Parts Not applicable F. Tooling - Price and Availability Not applicable

3. ACCOMPLISHMENT INSTRUCTIONS A. Inspection procedure NOTE: SB accomplishment is identified by modification of Serial Number "SER" (adding on the indentification plate of letter "I at the end of the SER).

(1) Visual inspection

(a) Prepare aircraft for Flight Crew Mask Stowage inspection per Boeing SB 737-35A1121, 747-35A2126 or 767-35A0057 as applicable.

(b) Detach the Flight Crew Mask Stowage from the aircraft by un-securing the 4 quarter turn Dzus fasteners.

(c) Extract the Flight Crew Mask Stowage far enough to see the identification label:

1 Inspect the S/N listed on the identification label shown in Figure 1.

Compare the S/N to the list found in Table 1 of the appendix and:

a If the S/N is found in the Table 1, it should be removed and replaced per the Boeing SB 737-35A1121, 747-35A2126 or 767-35A0057 as applicable.

Removed Flight Crew Mask Storage should be returned to Zodiac Sevices at the address in paragraph B.

If the S/N is not found in table 1, then compare the S/N to the list found in table 2 of the appendix:

If the S/N is found in table 2, then a letter "I" should be added to the end of the serial number (SER) on the identification label as shown in Figure 2 with indelible ink or an electric pen.

Then reinstall the Flight Crew Mask Stowage and secure the 4 quarter turn Dzus fasteners.

If the S/N is not found in the Table 1 or Table 2, then reinstall the Flight Crew Mask Stowage and secure the 4 quarter turn Dzus fasteners.

DATE: 20110510 SERVICE BULLETIN: MXP1/4-35-175 REVISION N°: 2 PAGE: 4/7

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SERVICE BULLETIN * INTERTECHNQUE F5341 UGHT CREW MASK STOWAGE Serial Number Location AP 00000000OE

FOR OXYGEN

USE ONLY MXP 1/4-35-175

INSPECTED MXP 1/4-35-175

INSPECTED ) INTERTECHNIQUE F534

PN GHT FEW MASK STOWAGE MXP147 Series MFR Label (see Nota)

FOR OXYGEN

USE ONLY Nota: Label may be add to boxes inspected by Zodiac Services MXP400 Series FIGURE 1 - IDENTIFICATION OF SERIAL NUMBER DURING INSPECTION DATE: 20110510 SERVICE BULLETIN: MXP1/4-35-175 REVISION N°: 2 PAGE: 5/7

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SERVICE BULLETIN ERO INTERTECHNIQUE F5341

FLIGHT CREW MASK STOWAGE PNR MXP410-1 MER F5341 SER SE25064I Eg : SER SE26064 becomes SE26064I

OMF INSP AMD

FOR OXYGEN

USE ONLY FIGURE 2 - ADDITION OF "I" TO SERIAL NUMBER B. Remittance of box(es) to Intertechnique

(1) Send removed Flight Crew Mask Stowage boxes to one of the following addresses:

INTERTECHNIQUE - D4 ZODIAC SERVICES AMERICAS 61, Rue Pierre Curie 6734, Valjean Avenue BP 1 VAN NUYS, CA 91406 78734 PLAISIR CEDEX USA FRANCE Phone: 1 818 435 0900 Phone: 33 1 30 54 82 00 Fax: 1 818 435 0960 Fax: 33 1 30 55 71 61

ZODIAC SERVICES ASIA IN-SERVICES MIDDLE EAST 36, Loyang Drive Abu Dhabi International Airport SINGAPORE 508949 Cargo Village Area - PO Box 106675 Phone: 65 6579 2230 ABI DHABI Fax: 65 6579 2231 UNITED ARAB EMIRATES Phone: 971 2575 7088 Fax: 971 2575 8482 DATE: 20110510 SERVICE BULLETIN: MXP1/4-35-175 REVISION N°: 2 PAGE: 6/7

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SERVICE BULLETIN

APPENDIX Part Number Qty Serial Number MXP147 14 SE25399 - SE25400 - SE25401 - SE25402 - SE25403 - SE25404 - SE25405 - SE26020 - SE26379 - SE26380 - SE26487 - SE26488 - SE26489 - SE26490 MXP147-2 25 SE25147 - SE25148 - SE25150 - SE25393 - SE25395 - SE25440 - SE25441 - SE25442 - SE25443 - SE25446 - SE25447 - SE25449 - SE25722 - SE25723 - SE25726 - SE25728 - SE25729 - SE25731 - SE25732 - SE26026 - SE26027 - SE26028 - SE26029 - SE26030 - SE26218 MXP147-5 50 SE25536 - SE25537 SE25538 SE25539 - SE25540 - SE25541 - SE25542 SE25543 - SE25545 - SE25546 SE25547 - SE26564 - SE25588 - SE25589 SE25591 - SE25592 SE25593 • SE25709 - SE25710 - SE25962 - SE25963 SE25964 - SE25965 SE25966 • SE25967 - SE25968 - SE25970 - SE25971 SE26083 - SE26085 - SE26087 SE26089 - SE26090 - SE26091 - SE26092 SE26204 - SE26206 - SE26207 - SE26209 - SE26414 - SE26415 - SE26416 SE26418 - SE26420 - SE26421 SE26422 - SE26746 - SE26747 - SE26749 SE26751 MXP402 6 SE25112 - SE25114 - SE25230 - SE25417 - SE25418 - SE26081 MXP402-2 SE26859 MXP410-1 30 SE25065 - SE25086 SE25088 - SE25089 - SE25090 - SE25152 - SE25153 - SE25156 - SE25157 SE25158 SE25159 - SE25160 - SE25161 - SE25162 SE25163 - SE25165 - SE25166 - SE25167 - SE25169 - SE26526 - SE26527 - SE26528 - SE26529 - SE26530 - SE26531 - SE26532 - SE26642 - SE26643 - SE26644 - SE26646 TABLE 1 - LIST OF CONCERNED EQUIPMENTS Part Number Qty Serial Number MXP147-2 7 SE25149 - SE25391 - SE25392 - SE25394 - SE25448 - SE25725 - SE25730 MXP147-3 4 SE25956 - SE25957 - SE26304 - SE26306 MXP147-5 11 SE25544 - SE26084 - SE26086 - SE26088 - SE26203 - SE26205 - SE26210 SE26412 - SE26413 - SE26417 - SE26419 MXP402 SE25113 - SE25115 - SE25228 MXP410-1 11 SE25064 - SE25084 - SE25085 - SE25087 - SE25091 - SE25151 - SE25154 SE25155 - SE25164 - SE25168 - SE26645 TABLE 2 - LIST OF INSPECTED EQUIPMENTS WITHOUT CHANGE OF THE SERIAL NUMBER DATE: 20110510 SERVICE BULLETIN: MXP1/4-35-175 REVISION N°: 2 PAGE: 7/7