# SERVICE BULLETIN

14 Mar 2013 Rev. 002, 09 Jul 2013 Page 1 of 5 

## 4421086-35-001 The information disclosed herein was originated by and is the property of B/E Aerospace, Inc., and except for rights expressly granted to the U.S. Government, B/E Aerospace, Inc. reserves all patent, proprietary, design, use, manufacturing and reproduction rights thereto. 

### CREW OXYGEN DISTRIBUTION MANIFOLD ASSEMBLY RETROFIT I. Planning Information A. Effectivity This Service Bulletin applies to all PN 4421086-101 Crew Oxygen Distribution Manifold Assemblies. B. Concurrent Requirements None. C. Reason PN 4421086-102 features a non-conductive hose for improved oxygen system safety. D. Description This Service Bulletin (SB) provides instructions to retrofit Crew Oxyg en Distribution Manifold Assembly PN 4421086-101 with a new non-conductive su pply hose, changing it to PN 4421086-102. E. Compliance Accomplishment of this Se rvice Bulletin is mandatory. F. Approval This Service Bulletin has been reviewed by Boeing and the instructions herein are certified with the applicable FAA regulations. G. Manpower Assuming the Crew Oxygen Distributio n Manifold Assembly is modified on the aircraft, the following is an estimate to accomplish the modification: Verification: 2 minutes Modification: 15 minutes H. Weight and Balance

## 4421086-35-001 14 Mar 2013 Rev. 002, 09 Jul 2013 

### B/E AEROSPACE Service Bulletin

Page 2 of 5 Not affected. I. Electrical Load Data None. J. Software Accomplishment Summary Not Applicable. K. References Component Maintenance Manual 35-15-01 L. Other Publications Affected None. II. Material Information A. Material - Price and Availability (1) Modification requires the following parts:

NOTE: The price of the kit is valid through 31 Dec 20 13. Contact B/E Aerospace, Inc. for subsequent year prices. (2) Materials may be purchased from: B/E Aerospace, Inc. Commercial Aircraft Products Group 10800 Pflumm Road Lenexa, KS 66215 Tel: (913) 338-9800 Fax: (913) 469-8419 B. Industry Support Information Not Applicable.

QTY B/E PART NUMBER DESCRIPTION DATE AVAILABLE UNIT PRICE (THROUGH 31 DEC 2013) 1 4441810-000 Distribution Manifold Assembly - Kit 09 Apr 2013 $1,526.38

### B/E AEROSPACE Service Bulletin

14 Mar 2013 Rev. 002, 09 Jul 2013 Page 3 of 5 

## 4421086-35-001 C. Material Necessary for Each Component

D. Re-identified Parts

E. Tooling - Price and Availability None. FIG. NO. ITEM NO. NEW PART NO. QTY DESCRIPTION OLD PART NO. INSTRUCTIONS/ DISPOSITION 1 1 1 Distribution Manifold Body 4424070-000 RF 1 2 4421189-116 1* Flexible Supply Hose 4421189-016 New/Discard 1 3 632118-05 1* O-Ring 632118-05 New/Discard 1 4 4443027-000 1* Decal, DMA Kit None New -5 4441810-000 PK Distribution Manifold Assembly - Kit RF -6 Commercially Available A/R Sanford Sharpie - Model 13801, Extra Fine Tip Permanent Marker Consumable -7 Commercially Available A/R Isopropyl Alcohol Consumable
KEY: - NOT ILLUSTRATED, RF: Re ference, A/R: As Required, RU: Reuse, PK: Parts Kit * These PNs are contained in the Distribution Manifold Assembly - Kit

FIG. NO. ITEM NO. NEW PART NO. QTY DESCRIPTION OLD PART NO. DISPOSITION
4421086-102 1 Distribution Manifold Assembly 4421086-101 RWK / R
KEY: - NOT ILLUSTRATED, RF: Reference, A/R: As Required, RU: Reuse RWK: Make the change given in this Service Bulletin. R: The new part number is the part number after the change given in this Service Bulletin is done. This part is used in production. C: You can use the existing part to replace the new or change part. If you use the existing part, you cancel the effect of the change give in this Service Bulletin.

### B/E AEROSPACE Service Bulletin

14 Mar 2013 Rev. 002, 09 Jul 2013 Page 4 of 5 

## 4421086-35-001 III. Accomplishment Instructions WARNING: OBEY ALL WARNINGS AND CAUTIONS FROM THE APPLICABLE AIRCRAFT MAINTENANCE MANUAL (AMM). CAUTION: MAKE SURE WORK AREA IS FREE OF HYDR OCARBON RESIDUE, OIL, AND OTHER PETROLEUM BASED LUBRICANTS. A. Verification (Refer to Figure 1 for item numbers in parentheses) (1) Check the decal (4) on the Distribution Manifold Body(1) (refer to Figure 1 for location). If the decal (4) shows PN 4421086-102 and SB 4421086-35-001, this SB has been accomplished and no further action is necessary. If the decal shows PN 4421086-101, continue with the retrofit steps in paragraph II.B. B. Modification (Refer to Figure 1 for item numbers in parentheses) (1) Remove the existing flexible supply hose (2) and the o-ring (3) from the distribution manifold (1). (2) Remove dust caps from the new flexible supply hose (2) if applicable. (3) Install the new flexible supply hose (2) with new o-ring (3) to the distribution manifold (1). Torque the new flexible supply hose (2) to 133 to 147 in-lbs (15,1 to 16,6 N•m). (4) Inscribe on the new decal (4) (refer to Figure 1 and Figure 2 for location) the serial number from the existing decal and modification date (dd.mm.yyyy) us ing an extra fine tip permanent marker (-6) and allow ink to dry. CAUTION: THE SERIAL NUMBER IS A CONTROLLED NUMBER. THE SERIAL NUMBER MUST BE COPIED EXACTLY AND MUST BE READABLE. NOTE: Make sure to copy the serial number information from the old decal to the new decal before removing and discarding the old decal. (5) Remove and discard the existing decal from the distribution manifold (1). (6) Clean and prepare the area wh ere the new decal (4) will be placed (as shown in Figure 1) with isopropyl alcohol (-7) and allow surface to dry. (7) Remove the adhesive cover from the back of the new decal and put the new decal (4) on the clean area as shown in Figure 1.

### B/E AEROSPACE Service Bulletin

14 Mar 2013 Rev. 002, 09 Jul 2013 Page 5 of 5 

## 4421086-35-001 Figure 1 Crew Oxygen Distributio n Manifold Assembly

Figure 2 Decal Close Up