# ZODIAC SERVICES

DATE: 20110623 

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# MXH-35-241

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# 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 Transmittal Sheet applies to the Revisi on 03, dated 20110623, of Service Bulletin MXH-35-241 REASON FOR REVISION - Typo Errors corrected - Flow chart updated (Alternative boxes added) - Inner leakage test added (Applicable to MRA Series) - Appendix II updated (adding of new PNR in Appendix II (Red PNR)) - Appendix III changed (New Appendix) - Appendix IV changed (Old Appendix III) - Appendix V added (Old Appendix IV) REVISION SEQUENCE Initial issue : 20110406 Revision 01: 20110510 Revision 02: 20110519 Revision 03: 20110623

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# THIS PAGE INTENTIONALLY LEFT BLANK

# INTERTECHNIQUE AIRCRAFT SYSTEMS 

## OXYGEN AND LIFE SUPPORT DEPT. 61, RUE PIERRE CURIE - BOITE POSTALE N° 1 78373 PLAISIR CEDEX - FRANCE Phone : ( 33 ) 01 61 34 23 23 - Fax : ( 33 ) 01 30 55 71 61 

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REVISION N°: 3 PAGE: 1/14 

# TITLE: OXYGEN – HARNESS ASSEMBLY - INSPECTION FOR POTENTIAL DEFECTIVE COMPONENT

1. PLANNING INFORMATION A. Effectivity (1) Concerned equipment This Service Bulletin applies to the infl atable harness PNR MXH Series manufactured between 50 th 

## week of 2008 year (0850S) and 31 th 

## week of 2010 year (1031S) for the batches listed in Appendix I. These inflatable harness assemblies have been used for the manufacturing of new masks (See Appendix II), and have been sold as spare parts from 15-dec-2008 to 31-dec-2010, for the maintenance of masks already in service. Inflatable harness PNR MXH Series manufactured before 33 rd



## week of 2008 year (0833S) are not marked with any batch number and are not concerned. Inflatable harness PNR MXH Series manufactured between 33 rd



## week of 2008 year (0833S) and 49 th 

## week of 2008 year (0849S) are marked wi th a batch number and are not concerned. (2) In the field Full Face Quick Donning Mask Regulator (MF10 Series, MF20 Series), Crew Oxygen Mask Regulator (MC10 Series, MC20 Series, MRA Series) and Oxygen Mask Regulator / With Detachable goggles (MLD20 Series) Installed on Bombardier Aircrafts and equipped with potentially defective inflatable harness. (3) Spare parts Defective inflatable harness from stock. B. Concurrent Requirements Affected customers should notify their usual Zodiac Se rvices contacts in regards of their location (ZS Europe, ZS UK, ZS Middle Eas t, ZS Asia and ZS Americas). Customers to provide the list of PNR and SER affected and place the corresponding orders for replacement. Removed harnesses must be sent in one batch at the end of the retrofit to the ZS work shop from which your area corresponds to. C. Reason This Service Bulletin is issued : - To inform the operators of the potential risk of rupture on the inflatable harness. - To provide instructions for inspection and prev entive replacement if nec essary of potentially

defective inflatable harness.

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REVISION N°: 3 PAGE: 2/17 D. Description Based on our internal review and customer feedback, INTERTECHNIQU E has identified the potentially defective bat ches of silicon tubes. Inflatable harnesses assembled with defective silicon tubes have demonstrated an unusually high premature rupture rate. E. Compliance Incorporation of this Service Bulletin is mandat ory (refer to EASA Airworthiness Directive AD No.: 2011-0090) within 24 months of AD effectivity date. F. Approval The technical content of this Service Bulle tin has been reviewed and accepted by Bombardier Aerospace. G. Manpower (1) 1 technician (2) Check only : 5 minutes. (3) Complete Operation : 15 minutes. H. Weight and Balance None I. Electrical Load Data Not Changed J. Software Accomplishment Summary Not applicable K. References (1) Component Maintenance Manuals See APPENDIX IV (2) Airworthiness Directive AD No.: 2011-0090 L. Publications Affected (1) Component Maintenance Manuals See APPENDIX IV M. Interchangeability Not affected

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REVISION N°: 3 PAGE: 3/17 2. MATERIAL INFORMATION A. Material – Price and Availability (1) Material PNR KEYWORD QTY UNIT PRICE (USD) MXHA200 HARNESS 1 FOC MXH15-2 HARNESS 1 Obsolete * MXH15-22 HARNESS 1 FOC MXH16 HARNESS 1 Obsolete * MXH16-20 HARNESS 1 FOC MXH30 HARNESS 1 Obsolete * MXH30-20 HARNESS 1 FOC MXH30-20G HARNESS 1 FOC MXH61G HARNESS 1 FOC MXH64G HARNESS 1 FOC MXH74G HARNESS 1 Obsolete * MXH74-20G HARNESS 1 FOC *Inflatable harness MXH15-2, MXH16, MXH30, MXH33 and MXH74G are obsolete due to following Service Bullletins: PNR Service Bulletin MF20-506 MF20-35-26 MC10-13-03, MC10-35-101 MC10/MF10-35-141 MF10-08-01 MC10 Series MA/B/C/F10-35-144 MF10 Series (2) Price Not applicable (3) Availability 15 days after receipt of order from March 1, 2011. B. Industry Support Information Not applicable C. Material Necessary for Each Component (Unit) (1) Material to order

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REVISION N°: 3 PAGE: 4/17 PNR KEYWORD QTY ORDER SPECIAL INSTRUCTIONS MXHA200 HARNESS 1 MXHA200 Forward to Zodiac Services maintenance facility* 

## MXH15-2 HARNESS 1 MXH15-22 Forward to Zodiac Services maintenance facility* 

## MXH15-22 HARNESS 1 MXH15-22 Forward to Zodiac Services maintenance facility* 

## MXH16 HARNESS 1 MXH16-20 Forward to Zodiac Services maintenance facility* 

## MXH16-20 HARNESS 1 MXH16-20 Forward to Zodiac Services maintenance facility* 

## MXH30 HARNESS 1 MXH30-20 Forward to Zodiac Services maintenance facility* 

## MXH30-20 HARNESS 1 MXH30-20 Forward to Zodiac Services maintenance facility* 

## MXH30-20G HARNESS 1 MXH30-20G Forward to Zodiac Services maintenance facility* 

## MXH61G HARNESS 1 MXH61G Forward to Zodiac Services maintenance facility* 

## MXH64G HARNESS 1 MXH64G Forward to Zodiac Services maintenance facility* 

## MXH74G HARNESS 1 MXH74-20G Forward to Zodiac Services maintenance facility* 

## MXH74-20G HARNESS 1 MXH74-20G Forward to Zodiac Services maintenance facility* 

## * Refer to § 3.D D. Material necessary for each spare Not applicable E. Re-identified Parts (1) With indelible ink, write visibly the SB a ccomplishment by adding on the name plate of letter

“ I “ (Inspected) at the end of SER (See Figure 1). (2) With indelible ink or an electric pen, write visibly the SB accomplishment by adding of letter “ I “ (Inspected) on the bushing of in flatable harness (See Figure 2). The marking shall be visible once the harness has been re-installed on the mask. F. Tooling – Price and Availability Not applicable 3. ACCOMPLISHMENT INSTRUCTIONS A. From the stock : (1) Inspect the manufacturing date and the batch number (See Figure 3) of the inflatable harness: - If the batch number is found in the list of A ppendix I, forward the defective inflatable harness to the appropriate Zodiac Services maintenanc e facility for replacement of the inflatable harness. B. Inflatable harness mounted on t he Crew Oxygen Mask Regulator :

WARNING : STRICTLY OBEY THE PROCEDURES WHEN YOU DO WORK ON OXYGEN SYSTEM. DO NOT USE OIL, GREASE OR OTHER LUBR ICANTS MADE FROM PETROL IN THE AREA OF OXYGEN EQUIPMENT. YOU CAN CAUSE A FIRE OR EXPLOSION. CAUTION : APPLY THIS SB ON CLEAN S URFACE AND WITH CLEAN HANDS.

Prior to using the flow chart to start the on-aircra ft action(s), the operator, if he has the possibility, can determine, (e.g. aircraft maintenance logs check) whether the inflatable harness has been replaced, during a maintenance operation, on an oxygen mask regulator installed on the aircraft.

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REVISION N°: 3 PAGE: 5/17 Batch number included in the list

of appendix I Stow the Crew Oxygen Mask into its housing

Remove the inflatable harness from the Crew Oxygen Mask (Refer to § 3.B.(1))

Inspect the harness manufacturing date Inspect the batch number (Refer to Figure 3) Replace the inflatable harness Add the letter ” 

### I ” on the bushing of inflatable harness and at the end of the SER

(Refer to § 2.E)

Re-Install the inflatable harness to the Crew Oxygen Mask § (3.B.(2)) Make the test of the Crew Oxygen Mask (Refer to § 3.B.(3))

No

Disconnect the Crew Oxygen Mask from the A/C oxygen supply source Connect the Crew Oxygen Mask to the A/C oxygen supply source, if disconnected. Yes

No

No

Yes Forward the defective inflatable harness to the appropriate Zodiac Services maintenance facility for replacement. (Refer to § 3.D) SER of the Crew Oxygen Mask included in the list of Appendix II or

Appendix III Crew oxygen mask has been repaired

and harness

changed between 50th week of 2008 and 8th week of 2011

Manufacturing date is between 0850S and 1031S Yes Inspect the SER of the Crew Oxygen Mask (Refer to Figure 1) Inspect the manufacturing date (DMF) of the

Crew Oxygen Mask (Refer to Figure 1)

Manufacturing date ≥ 01st month of 2011 year (012011)

No

No If applicable: Add the Amdt letter to the identification plate of the Crew Oxygen Mask (Refer to § 3.C and Figure 1) unstow the Crew Oxygen

Mask from its housing Start End

Yes or unknown

No Inspect the harness manufacturing date

Disconnect the Crew Oxygen Mask from the A/C

oxygen supply source Remove the inflatable harness from the Crew Oxygen Mask (Refer to § 3.B.(1)) Yes

Letter " I " marked on the bushing of inflatable harness or at the end of SER of the Crew Oxygen Mask Inspect the letter ”I” on the bushing of inflatable harness or at the end of SER of the Crew Oxygen Mask (Refer to Figure 2)

Yes

No 

## Action to be performed on Aircraft Action to be performed on aircraft or certified PART 145 workshop

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REVISION N°: 3 PAGE: 6/17 (1) Removal of the inflatable harness from the 

## Crew Oxygen Mask Regulator: (a) Applicable to MC10, MC20 MF10, MF20 and MLC/MLD20 Series

1 Remove the screw from the inflatable harness with magnetic-screwdriver slotted (3x_ _).

2 Lift the locking tab of the coupling block whic h is in front of the regulator by 1 to 2 mm (0.04 to 0.08 in).

3 Hold the locking tab up and move the coupling block apart from the regulator.

NOTE: Be careful not to remove the seal PNR 437276. (b) Applicable to MRA Series

WARNING: THE REMOVAL OPERATION MUST BE PERFORMED IN CERTIFIED PART 145 WORKSHOP.

1 Remove the mask (Refer to CMM 35-17-15 Subtask 35-17-15-020-001-A01)

2 Remove the harness (Refer to CMM 35-17-15 Subtask 35-17-15-020-002-A01) (2) Installation of the inflatable harne ss to the Crew Oxygen Mask Regulator: (a) Applicable to MC10, MC20, MF10, MF20 and MLC/MLD20 Series

WARNING: MAKE SURE THAT THE SEAL P NR 437276 IS CORRECTLY INSTALLED IN ITS HOUSING.

1 Install the harness on the regulator body and attach it with the screw.

2 Torque the harness attachment screw 0,20 N.m ± 0,02 (1.77 lb.in ± 0.17). (b) Applicable to MRA Series

WARNING: THE INSTALLATION OPERATIO N MUST BE PERFORMED IN CERTIFIED PART 145 WORKSHOP.

1 Install the harness (Refer to CMM 35-17-15 Subtask 35-17-15-420-006-A01)

2 Install the mask (Refer to CMM 35-17-15 Subtask 35-17-15-420-007-A01)

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REVISION N°: 3 PAGE: 7/17 (3) Test of the Oxygen Crew Mask (a) Test of the time to inflate the inflatable harness:

1 Connect the Crew Oxygen Mask Regulat or to the oxygen supply source.

2 Make the oxygen supply pressure stable: On aircraft: Use the O2 pressure system. In workshop: Refer to the relevant CMM.

3 Push the harness inflation plate.

a Make sure that the harness is fully inflated in one second maximum.

b Make sure that there is no noticeable leakage. (b) Apply a drop of leak test solution (SHERLOCK Type 1 or equivalent as per MIL-PRF25567) to the inflatable harness.

1 Make sure that there is no leak betw een the regulator and the inflatable harness. (c) Make the test of mask regulator inner leakage (Applicable to MRA SERIES).

1 (Refer to CMM 35-17-15 Subtask 35-17-15-790-001-A01).

C. Re-identification

After modification of inflatable harness MXH15- 2, MXH16, MXH30, MXH33 or MXH74G by inflatable harness MXH15-22, MXH 16-20, MXH30-20 or MXH74-20G: - The Crew Oxygen Mask Regulators MC10 Series are identified with the amendment letter S, - The Full Face Quick Donning Mask Regulators MF 10 Series are identified with the amendment

letter T, - The Full Face Quick Donning Mask Regulators MF20 Series (Except MF20-107) are identified with

the amendment letter M, (1) With indelible ink, write the relevant am endment letter or the new PNR on the identification label.

D. Declaration of Modification The form attached in appendix V is to be fill ed by the customer and attach to the PO.

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REVISION N°: 3 PAGE: 8/17 Figure 1 – Serial Number Position

Figure 2 – “ I “ Letter Position “DMF” Manufacturing date : eg : 102010 = 10 th 

### Month of 2010 

## SER : Serial Number

AMD Amendment Serial Number Changement eg : 150425 = 150425 

# I Possible format of the manufacturing date: 102010 = 10 th 

## Month of 2010 1010 = 10 th 

## Month of 2010

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REVISION N°: 3 PAGE: 9/17 Figure 3 – Manufacturing Date Explanation & Batch Number Position Batch Number eg. : 0846Z10

Manufacturing Date Year Week eg.: 0912 = 12 th 

## week of 2009

Manufacturing Date Year Week eg.: 1012 = 12 th 

## week of 2010 Batch Number

eg. : 0942Z1

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REVISION N°: 3 PAGE: 10/17 E. ZODIAC SERVICES Facilities

EUROPE MIDDLE EAST ZODIAC SERVICES EUROPE 7, avenue du Parana BP 303 91958 COURTABOEUF CEDEX / FRANCE Phone : +33 1 64 86 69 69 Fax : +33 1 64 86 69 87 ZODIAC AEROSPACE U.K. Unit 9, Blackwell drive Spring Wood Industrial estate BRAINTREE - ESSEX CM7, ENGLAND Phone: 44 (0)-1376-329-194 Fax: 44 (0)-1376-340-734 IN-SERVICES MIDDLE EAST Abu Dhabi International Airport Cargo Village Area P.O. Box No 106675 ABU DHABI - UNITED ARAB EMIRATES Phone : + 971 2575 7088 Fax : + 971 2575 8482 USA ASIA ZODIAC SERVICES AMERICAS 4900 St. Joe Boulevard, Building 200, Suite 400 COLLEGE PARK, GA 30337 USA Phone : +1 678 228 8153 Fax : +1 800 879 0411 ZODIAC SERVICES ASIA 36, Loyang Drive SINGAPORE 508949 Phone : +65 6579 2230 Fax : +65 6579 2231

APPENDIX I

PNR Batches

MXHA200 0849Z12 / 0850Z12 / 0851Z14 / 0852Z14 / 0901Z14 (or 091Z14) / 0902Z14 (or 092Z14) 0902Z15 (or 092Z15) / 0903Z15 (or 093Z15 ) / 0904Z15 (or 094Z15) / 0905Z15 (or 095Z15) 0906Z15 (or 096Z15) / 0939Z2

MXH15-2 0845Z10 / 0846Z10 / 0847Z10 / 0847Z11 / 0849Z12 / 0901Z14 (or 091Z14) / 0902Z14 (or 092Z14) / 0902Z15 (or 092Z15) / 0903Z15 (or 093Z15) / 0904Z15 (or 094Z15) / 0905Z15 (or 095Z15) / 0919Z15 / 0920Z15 / 0939Z2

MXH15-22 0846Z10 / 0847Z10 / 0849Z12 / 0901Z14 (or 091Z14) / 0902Z14 (or 092Z14) / 0903Z15 (or 093Z15) / 0904Z15 (or 094Z15) / 0905Z15 (or 095Z15) / 0915Z15 / 0919Z15 0920Z15 / 0939Z2

MXH16 0841Z14 / 0849Z13 / 0850Z14 / 0851Z14 / 0852Z14 / 0902Z14 (or 092Z14) / 0902Z15 (or 092Z15) / 0903Z15 (or 093Z15) / 0904Z15 (or 094Z15) / 0905Z15 (or 095Z15) / 0906Z15 (or 096Z15) / 0939Z2 MXH16-20 0851Z14 / 0906Z15 (or 096Z15)

MXH30 0849Z13 / 0850Z9-1 / 0850Z12 / 0850Z14 / 0851Z14 / 0852Z14 / 0903Z14 (or 093Z14) / 0903Z15 (or 093Z15) / 0904Z15 (or 094Z15) / 0939Z2 MXH30-20 0851Z14 / 0852Z14 / 0904Z15 (or 094Z15) MXH30-20G 0851Z9-11 / 0852Z9-15 MXH61G 0849Z8-2 / 0850Z9-1 / 0850Z9-6 / 0939Z2-8

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REVISION N°: 3 PAGE: 11/17 PNR Batches

MXH64G 0850Z9-1 / 0850Z9-2 / 0850Z9-6 / 0901Z9-15 (or 091Z9-15) / 0901Z9-20 (or 091Z9-20) 0902Z10-1 (or 092Z10-1) / 0902Z10-2 (or 092Z10-2) MXH74G 0849Z7-16 / 849Z8-2 / 0850Z8-2 / 0850Z8-3 / 0850Z9-4 / 0850Z9-6 / 0851Z9-6 / 0851Z9-7 0851Z9-8 / 0852Z9-13 / 0852Z9-14 / 0852Z-9-14

MXH74-20G 0849Z8-1 / 0849Z8-2 / 0850Z8-3 / 0850Z9-1 / 0850Z9-2 / 0850Z9-3 / 0850Z9-4 / 0850Z9-5 0850Z9-6 / 0851Z9-8 / 0851Z9-9 / 0851Z9-10 / 0851Z9-11 / 0852Z9-11 / 0852Z9-12 0852Z9-13 / 0901Z9-15 (or 091Z9-15) / 0901Z9-16 (or 091Z9-16) / 0901Z9-17 (or 091Z9-17) 0902Z9-20 (or 092Z9-20) / 0902Z10-1 (or 092Z10-1) / 0902Z9-18 (or 092Z9-18) / 0902Z9-19 (or 092Z9-19) / 0911Z12-5 / 0915Z13-1 / 0916Z13-2 / 0916Z13-3 / 0916Z13-4 / 0916Z13-5 0917Z13-6 0917Z13-7 / 0917Z13-9 / 0919Z13-1 / 0917Z13-8 / 0919Z13-12 / 0920Z13-13 0921Z13-12 0921Z13-13 / 0921Z13-14 / 0924Z1-15 / 0924Z1-16 / 0924Z1-17 / 0924Z1-18 0939Z2-8 / 0940Z1-9 / 0940Z1-10

APPENDIX II Crew Oxygen Masks manufactured with a potential defective inflatable harness

PNR SNR HARNESS MC10-13-03 SE28337 MXH15-22 MC10-13-03 SE28377 MXH15-22 MC10-13-03 SE28378 MXH15-22 MC10-13-03 SE28379 MXH15-22 MC10-13-03 SE51568 MXH15-22 MC10-13-03 SE51569 MXH15-22 MC10-13-03 SE51747 MXH15-22 MC10-13-03 SE51748 MXH15-22 MC10-13-03 SE51749 MXH15-22 MC10-13-03 SE51750 MXH15-22 MC10-13-03 SE51892 MXH15-22 MC10-13-03 SE51893 MXH15-22 MC10-15-107 SE23427 MXH15-2 MC10-15-107 SE23428 MXH15-2 MC10-15-107 SE23565 MXH15-2 MC10-15-107 SE24667 MXH15-2 MC10-15-107 SE24683 MXH15-2 MC10-15-107 SE24684 MXH15-2 MC10-15-107 SE24685 MXH15-2 MC10-15-107 SE24686 MXH15-2 PNR SNR HARNESS MC10-15-107 SE24691 MXH15-2 MC10-15-107 SE24692 MXH15-2 MC10-15-107 SE24693 MXH15-2 MC10-15-107 SE24728 MXH15-2 MC10-15-107 SE24729 MXH15-2 MC10-15-107 SE24741 MXH15-2 MC10-15-122 SE28314 MXH15-22 MC10-35-101 SE54586 MXH16-20 MC10-35-101 SE54587 MXH16-20 MC10-35-101 SE54588 MXH16-20 MC10-35-101 SE54589 MXH16-20 MC10-35-101 SE54590 MXH16-20 MC10-35-101 SE54637 MXH16-20 MC10-35-101 SE54638 MXH16-20 MC10-35-101 SE54639 MXH16-20 MC10-35-101 SE54658 MXH16-20 MC10-35-101 SE54740 MXH16-20 MC10-35-101 SE55307 MXH16-20 MC10-35-101 SE55308 MXH16-20 MC10-35-101 SE55331 MXH16-20 PNR SNR HARNESS MC20-004 SE23321 MXH64G MC20-004 SE23322 MXH64G MC20-004 SE23746 MXH64G MC20-004 SE23752 MXH64G MC20-004 SE23753 MXH64G MC20-004 SE23756 MXH64G MC20-004 SE23767 MXH64G MC20-004 SE23869 MXH64G MC20-004 SE24109 MXH64G MC20-004 SE24110 MXH64G MC20-004 SE24111 MXH64G MC20-004 SE24230 MXH64G MC20-004 SE24235 MXH64G MC20-004 SE24343 MXH64G MC20-004 SE24348 MXH64G MC20-006 140451 MXH61G MC20-006 140452 MXH61G MC20-006 140463 MXH61G MC20-006 SE23165 MXH61G MC20-006 SE23167 MXH61G

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REVISION N°: 3 PAGE: 12/17 PNR SNR HARNESS MC20-006 SE23343 MXH61G MC20-006 SE23346 MXH61G MC20-006 SE23349 MXH61G MC20-006 SE23350 MXH61G MF10-03-02 140223 MXH30 MF10-03-02 140894 MXH30 MF10-03-02 140979 MXH30 MF10-03-02 140980 MXH30 MF10-03-02 140986 MXH30 MF10-03-02 140989 MXH30 MF10-03-02 140991 MXH30 MF10-03-02 140992 MXH30 MF10-03-02 140993 MXH30 MF10-03-02 140994 MXH30 MF10-03-02 140995 MXH30 MF10-03-02 SE23528 MXH30 MF10-03-02 SE23534 MXH30 MF10-03-02 SE23567 MXH30 MF10-03-02 SE23576 MXH30 MF10-03-02 SE23577 MXH30 MF10-03-02 SE24596 MXH30 MF10-03-02 SE24611 MXH30 MF10-03-02 SE24624 MXH30 MF10-03-02 SE24625 MXH30 MF10-03-02 SE24629 MXH30 MF10-03-02 SE24630 MXH30 MF10-03-02 SE24631 MXH30 MF10-03-02 SE24835 MXH30 MF10-03-02 SE24836 MXH30 MF10-03-02 SE24837 MXH30 MF10-03-02 SE24838 MXH30 MF10-03-02 SE24839 MXH30 MF10-03-02 SE24862 MXH30 MF10-03-02 SE24863 MXH30 MF10-03-02 SE24864 MXH30 MF10-03-02 SE24867 MXH30 MF10-03-02 SE24906 MXH30 MF10-03-02 SE24907 MXH30 PNR SNR HARNESS MF10-03-02 SE24909 MXH30 MF10-03-02 SE24910 MXH30 MF10-03-02 SE24913 MXH30 MF10-03-02 SE24914 MXH30 MF10-03-02 SE24915 MXH30 MF10-03-02 SE24948 MXH30 MF10-03-02 SE24949 MXH30 MF10-03-02 SE24950 MXH30 MF10-03-02 SE24951 MXH30 MF10-03-02 SE24969 MXH30 MF10-03-02 SE24970 MXH30 MF10-03-02 SE24971 MXH30 MF10-03-02 SE24974 MXH30 MF10-03-02 SE24975 MXH30 MF10-03-02 SE24976 MXH30 MF10-03-02 SE24978 MXH30 MF10-03-02 SE24979 MXH30 MF10-03-02 SE24980 MXH30 MF10-03-02 SE24984 MXH30 MF10-03-02 SE24985 MXH30 MF10-03-02 SE24986 MXH30 MF10-03-03 SE23743 MXH30 MF10-03-03 SE23744 MXH30 MF10-03-03 SE23750 MXH30 MF10-03-03 SE23863 MXH30 MF10-03-03 SE24428 MXH30 MF10-03-03 SE24518 MXH30 MF10-08-01 140005 MXH30 MF10-08-01 140006 MXH30 MF10-08-01 140007 MXH30 MF10-08-01 140008 MXH30 MF10-08-01 140009 MXH30 MF10-08-01 140010 MXH30 MF10-08-01 140045 MXH30 MF10-08-01 140046 MXH30 MF10-08-01 140047 MXH30 MF10-08-01 140220 MXH30 MF10-08-01 140671 MXH30 PNR SNR HARNESS MF10-08-01 140672 MXH30 MF10-08-01 140688 MXH30 MF10-08-01 140689 MXH30 MF10-08-01 140697 MXH30 MF10-08-01 140698 MXH30 MF10-08-01 140705 MXH30 MF10-08-01 140706 MXH30 MF10-08-01 140707 MXH30 MF10-08-01 140709 MXH30 MF10-08-01 140712 MXH30 MF10-08-01 140722 MXH30 MF10-08-01 140723 MXH30 MF10-08-01 140724 MXH30 MF10-08-01 140737 MXH30 MF10-08-01 140738 MXH30 MF10-08-01 140739 MXH30 MF10-08-01 140740 MXH30 MF10-08-01 140741 MXH30 MF10-08-01 140742 MXH30 MF10-08-01 140743 MXH30 MF10-08-01 SE23462 MXH30 MF10-08-01 SE23463 MXH30 MF10-08-01 SE23464 MXH30 MF10-08-01 SE23465 MXH30 MF10-08-01 SE23466 MXH30 MF10-08-01 SE23484 MXH30 MF10-08-01 SE23607 MXH30 MF10-08-01 SE23620 MXH30 MF10-08-01 SE23621 MXH30 MF10-08-01 SE23630 MXH30 MF10-08-01 SE23633 MXH30 MF10-08-01 SE23685 MXH30 MF10-08-01 SE23686 MXH30 MF10-08-01 SE23698 MXH30 MF10-08-01 SE23699 MXH30 MF10-08-01 SE23700 MXH30 MF10-08-01 SE23731 MXH30 MF10-08-01 SE23740 MXH30

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# SERVICE BULLETIN: 

# MXH-35-241

REVISION N°: 3 PAGE: 13/17 PNR SNR HARNESS MF10-08-01 SE23745 MXH30 MF10-08-01 SE23764 MXH30 MF10-08-01 SE23765 MXH30 MF10-08-01 SE23770 MXH30 MF10-08-01 SE23795 MXH30 MF10-08-01 SE23796 MXH30 MF10-08-01 SE23799 MXH30 MF10-08-01 SE23805 MXH30 MF10-08-01 SE23813 MXH30 MF10-08-01 SE23814 MXH30 MF10-08-01 SE23846 MXH30 MF10-08-01 SE23847 MXH30 MF10-08-01 SE23859 MXH30 MF10-08-01 SE23860 MXH30 MF10-08-01 SE23877 MXH30 MF10-08-01 SE23883 MXH30 MF10-08-01 SE23884 MXH30 MF10-08-01 SE23890 MXH30 MF10-08-01 SE23891 MXH30 MF10-08-01 SE23905 MXH30 MF10-08-01 SE23914 MXH30 MF10-08-01 SE23916 MXH30 MF10-08-01 SE23947 MXH30 MF10-08-01 SE23949 MXH30 MF10-08-01 SE23950 MXH30 MF10-08-01 SE23951 MXH30 MF10-08-01 SE23952 MXH30 MF10-08-01 SE23955 MXH30 MF10-08-01 SE23956 MXH30 MF10-08-01 SE23957 MXH30 MF10-08-01 SE23966 MXH30 MF10-08-01 SE23979 MXH30 MF10-08-01 SE23984 MXH30 MF10-08-01 SE23986 MXH30 MF10-08-01 SE23987 MXH30 MF10-08-01 SE23993 MXH30 MF10-08-01 SE23999 MXH30 MF10-08-01 SE24047 MXH30 PNR SNR HARNESS MF10-08-01 SE24061 MXH30 MF10-08-01 SE24068 MXH30 MF10-08-01 SE24073 MXH30 MF10-08-01 SE24120 MXH30 MF10-08-01 SE24128 MXH30 MF10-08-01 SE24131 MXH30 MF10-08-01 SE24133 MXH30 MF10-08-01 SE24169 MXH30 MF10-08-01 SE24171 MXH30 MF10-08-01 SE24175 MXH30 MF10-08-01 SE24176 MXH30 MF10-08-01 SE24208 MXH30 MF10-08-01 SE24209 MXH30 MF10-08-01 SE24236 MXH30 MF10-08-01 SE24237 MXH30 MF10-08-01 SE24240 MXH30 MF10-08-01 SE24242 MXH30 MF10-08-01 SE24243 MXH30 MF10-08-01 SE24271 MXH30 MF10-08-01 SE24277 MXH30 MF10-08-01 SE24278 MXH30 MF10-08-01 SE24279 MXH30 MF10-08-01 SE24280 MXH30 MF10-08-01 SE24282 MXH30 MF10-08-01 SE24287 MXH30 MF10-08-01 SE24309 MXH30 MF10-08-01 SE24312 MXH30 MF10-08-01 SE24315 MXH30 MF10-08-01 SE24316 MXH30 MF10-08-01 SE24321 MXH30 MF10-08-01 SE24322 MXH30 MF10-08-01 SE24337 MXH30 MF10-08-01 SE24341 MXH30 MF10-08-01 SE24364 MXH30 MF10-08-01 SE24378 MXH30 MF10-08-01 SE24379 MXH30 MF10-08-01 SE24380 MXH30 MF10-08-01 SE24401 MXH30 PNR SNR HARNESS MF10-08-01 SE24467 MXH30 MF10-08-01 SE24472 MXH30 MF10-08-01 SE24482 MXH30 MF10-08-01 SE24483 MXH30 MF10-08-01 SE24490 MXH30 MF10-08-01 SE24491 MXH30 MF10-08-01 SE24492 MXH30 MF10-08-01 SE24493 MXH30 MF10-08-01 SE24494 MXH30 MF10-08-01 SE24495 MXH30 MF10-08-01 SE24497 MXH30 MF10-08-01 SE24502 MXH30 MF10-08-01 SE24503 MXH30 MF10-08-01 SE24525 MXH30 MF10-08-01 SE24526 MXH30 MF10-08-01 SE24527 MXH30 MF10-08-01 SE24528 MXH30 MF10-08-01 SE24532 MXH30 MF10-08-01 SE24564 MXH30 MF10-08-01 SE24672 MXH30 MF10-08-01 SE24673 MXH30 MF10-08-01 SE24674 MXH30 MF10-08-01 SE24675 MXH30 MF10-08-01 SE24701 MXH30 MF10-08-01 SE24702 MXH30 MF10-08-01 SE24703 MXH30 MF10-08-01 SE24704 MXH30 MF10-08-01 SE24752 MXH30 MF10-08-01 SE24753 MXH30 MF10-08-01 SE24791 MXH30 MF10-08-01 SE24792 MXH30 MF10-08-01 SE24793 MXH30 MF10-08-01 SE24794 MXH30 MF10-08-01 SE24795 MXH30 MF10-08-01 SE24796 MXH30 MF10-08-01 SE24797 MXH30 MF10-08-01 SE24798 MXH30 MF10-08-01 SE24801 MXH30

# SERVICE BULLETIN

DATE: 20110623 

# SERVICE BULLETIN: 

# MXH-35-241

REVISION N°: 3 PAGE: 14/17 PNR SNR HARNESS MF10-08-01 SE24802 MXH30 MF10-08-01 SE24806 MXH30 MF10-08-01 SE24807 MXH30 MF10-08-01 SE24830 MXH30 MF10-08-01 SE24831 MXH30 MF10-08-01 SE24832 MXH30 MF10-08-01 SE24847 MXH30 MF10-08-01 SE24848 MXH30 MF10-08-01 SE24849 MXH30 MF10-08-01 SE24850 MXH30 MF10-08-01 SE24851 MXH30 MF10-08-01 SE24878 MXH30 MF10-08-01 SE24879 MXH30 MF10-08-01 SE24889 MXH30 MF10-08-01 SE24952 MXH30 MF10-08-01 SE24953 MXH30 MF10-08-01 SE24961 MXH30 MF10-08-01 SE24972 MXH30 MF10-08-01 SE24973 MXH30 MF20-506 SE24817 MXH74G MF20-506 SE24818 MXH74G MF20-506 SE24819 MXH74G MRA023 2755 MXHA200 MRA023 2756 MXHA200 MRA023 2757 MXHA200 MRA023 2758 MXHA200 PNR SNR HARNESS MRA023 2759 MXHA200 MRA023 2760 MXHA200 MRA023 2761 MXHA200 MRA023 2762 MXHA200 MRA023 2788 MXHA200 MRA023 2789 MXHA200 MRA023 2790 MXHA200 MRA023 2791 MXHA200 MRA023 2792 MXHA200 MRA023 2793 MXHA200 MRA023 2794 MXHA200 MRA023 2795 MXHA200 MRA023 2796 MXHA200 MRA023 2797 MXHA200 MRA023 2823 MXHA200 MRA023 2824 MXHA200 MRA023 2825 MXHA200 MRA023 2826 MXHA200 MRA023 2852 MXHA200 MRA023 2853 MXHA200 MRA023 2854 MXHA200 MRA023 2855 MXHA200 MRA023 2881 MXHA200 MRA023 2882 MXHA200 MRA023 2913 MXHA200 MRA023 2914 MXHA200 PNR SNR HARNESS MRA023 2916 MXHA200 MRA023 2968 MXHA200 MRA023 2969 MXHA200 MRA023 2970 MXHA200 MRA023 2971 MXHA200 MRA023 2997 MXHA200 MRA023 2998 MXHA200 MRA023 2999 MXHA200 MRA023 3000 MXHA200 MRA023 3026 MXHA200 MRA023 3027 MXHA200 MRA023 3028 MXHA200 MRA023 3029 MXHA200 MRA023 3055 MXHA200 MRA023 3056 MXHA200 MRA023 3057 MXHA200 MRA023 3065 MXHA200 MRA023 3066 MXHA200 MRA023 3067 MXHA200 MRA023 3068 MXHA200 MRA023 3069 MXHA200 MRA023 3070 MXHA200 MRA023 3071 MXHA200 MRA023 3072 MXHA200



## APPENDIX III Crew Oxygen Masks (PNR MRA Series) Repaired in Zodiac Ne twork with a potential de fective inflatable harness

PNR SNR HARNESS MRA023 1057 MXHA200 MRA023 1061 MXHA200 MRA023 1093 MXHA200 MRA023 1103 MXHA200 MRA023 1111 MXHA200 PNR SNR HARNESS MRA023 1129 MXHA200 MRA023 1258 MXHA200 MRA023 1326 MXHA200 MRA023 1328 MXHA200 MRA023 1333 MXHA200 PNR SNR HARNESS MRA023 1334 MXHA200 MRA023 1335 MXHA200 MRA023 1336 MXHA200 MRA023 1369 MXHA200 MRA023 1370 MXHA200

# SERVICE BULLETIN

DATE: 20110623 

# SERVICE BULLETIN: 

# MXH-35-241

REVISION N°: 3 PAGE: 15/17 PNR SNR HARNESS MRA023 1371 MXHA200 MRA023 1372 MXHA200 MRA023 1373 MXHA200 MRA023 1375 MXHA200 MRA023 1378 MXHA200 MRA023 1382 MXHA200 MRA023 1384 MXHA200 MRA023 1385 MXHA200 MRA023 1400 MXHA200 MRA023 1401 MXHA200 MRA023 1402 MXHA200 MRA023 1409 MXHA200 MRA023 1411 MXHA200 MRA023 1412 MXHA200 MRA023 1413 MXHA200 MRA023 1415 MXHA200 MRA023 1416 MXHA200 MRA023 1423 MXHA200 MRA023 1428 MXHA200 MRA023 1429 MXHA200 MRA023 1446 MXHA200 MRA023 1447 MXHA200 MRA023 1448 MXHA200 MRA023 1465 MXHA200 MRA023 1466 MXHA200 MRA023 1467 MXHA200 MRA023 1468 MXHA200 MRA023 1486 MXHA200 MRA023 1487 MXHA200 MRA023 1488 MXHA200 MRA023 1489 MXHA200 MRA023 1490 MXHA200 MRA023 1491 MXHA200 MRA023 1497 MXHA200 MRA023 1502 MXHA200 MRA023 1506 MXHA200 MRA023 1507 MXHA200 MRA023 1509 MXHA200 PNR SNR HARNESS MRA023 1540 MXHA200 MRA023 1542 MXHA200 MRA023 1543 MXHA200 MRA023 1545 MXHA200 MRA023 1547 MXHA200 MRA023 1548 MXHA200 MRA023 1549 MXHA200 MRA023 1551 MXHA200 MRA023 1553 MXHA200 MRA023 1554 MXHA200 MRA023 1555 MXHA200 MRA023 1589 MXHA200 MRA023 1591 MXHA200 MRA023 1597 MXHA200 MRA023 1599 MXHA200 MRA023 1617 MXHA200 MRA023 1619 MXHA200 MRA023 1628 MXHA200 MRA023 1650 MXHA200 MRA023 1656 MXHA200 MRA023 1677 MXHA200 MRA023 1678 MXHA200 MRA023 1679 MXHA200 MRA023 1688 MXHA200 MRA023 1711 MXHA200 MRA023 1720 MXHA200 MRA023 1736 MXHA200 MRA023 1740 MXHA200 MRA023 1743 MXHA200 MRA023 1744 MXHA200 MRA023 1745 MXHA200 MRA023 1748 MXHA200 MRA023 1749 MXHA200 MRA023 1750 MXHA200 MRA023 1781 MXHA200 MRA023 1785 MXHA200 MRA023 1795 MXHA200 MRA023 1796 MXHA200 PNR SNR HARNESS MRA023 1810 MXHA200 MRA023 1815 MXHA200 MRA023 1858 MXHA200 MRA023 1899 MXHA200 MRA023 1907 MXHA200 MRA023 1910 MXHA200 MRA023 1912 MXHA200 MRA023 1915 MXHA200 MRA023 1916 MXHA200 MRA023 1919 MXHA200 MRA023 1921 MXHA200 MRA023 1927 MXHA200 MRA023 2037 MXHA200 MRA023 2043 MXHA200 MRA023 2045 MXHA200 MRA023 2049 MXHA200 MRA023 2141 MXHA200 MRA023 2148 MXHA200 MRA023 2215 MXHA200 MRA023 2258 MXHA200 MRA023 2282 MXHA200 MRA023 2300 MXHA200 MRA023 2312 MXHA200 MRA023 2314 MXHA200 MRA023 2324 MXHA200 MRA023 2367 MXHA200 MRA023 2369 MXHA200 MRA023 2381 MXHA200 MRA023 2383 MXHA200 MRA023 2387 MXHA200 MRA023 2396 MXHA200 MRA023 2399 MXHA200 MRA023 2429 MXHA200 MRA023 2432 MXHA200 MRA023 2520 MXHA200 MRA023 2521 MXHA200 MRA023 2522 MXHA200 MRA023 2523 MXHA200

# SERVICE BULLETIN

DATE: 20110623 

# SERVICE BULLETIN: 

# MXH-35-241

REVISION N°: 3 PAGE: 16/17 PNR SNR HARNESS MRA023 2526 MXHA200 MRA023 2534 MXHA200 MRA023 2538 MXHA200 PNR SNR HARNESS MRA023 2549 MXHA200 MRA023 2583 MXHA200 MRA023 2687 MXHA200 PNR SNR HARNESS MRA023 2701 MXHA200 MRA023 2721 MXHA200 MRA023 ZSA517 MXHA200



## APPENDIX IV

CMM N° EQUIPMENT PNR DESIGNATION 35-13-60 MF20 Series FULL FACE QUICK DONNING MASK REGULATOR 35-13-61 MF10 Series FULL FACE QUICK DONNING MASK REGULATOR 35-13-62 MC20 Series CREW OXYGEN MASK REGULATOR 35-13-63 MC10 Series CREW OXYGEN MASK REGULATOR 35-17-15 MRA022 / MRA023 CREW OXYGEN MASK REGULATOR

# SERVICE BULLETIN

DATE: 20110623 

# SERVICE BULLETIN: 

# MXH-35-241

REVISION N°: 3 PAGE: 17/17 APPENDIX V



## DECLARATION OF MODIFICATION EQUIPMENT(S) MODIFIED:

Mask Harness PNR SNR PNR Batch number

NAME AND ADDRESS OF AIRLINES or FAR/JAR 145 REPAIR STATION:

Modification Date: Name, position, signature of the modification responsible: