16531 2

- 56

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Original Issue: Febr uary 2 9 , 20 12 Page 1 of 7 Post Office Box 2200 Huntsville, Alabama 35804 USA Telephone: (256) 851

- 7001 Fax: (256) 859

- 8822



# SERVICE BULLETIN

SUBJECT: Window

- Sliding Cockpit Window

– Re work gasket by addition of five (5) holes

1. PLANNING INFORMATION

A. Effectivity:

Units Affected:

L/H and R/H Sliding Window P /N NP 165312

- 11 and NP 165312

- 12 basically

equipped with gasket/retainer assembly ref 22

- 17

- 7640

- 1/

- 2

- Previous P/N ‘s up to NP165312

- 7 and NP 165312

- 8 on which gasket/retainer

assembly have been replac ed by the current one ref 22

- 17

- 7640

- 1/

- 2 for wear

reason

.

B. Concurrent Requirements

Not applicable

C. Reason

(1) Problem

- Recently, during ferry flights between Toulouse and Hamburg, sever al PPG

sliding windows were difficult to operate just after landing. After few minutes on

ground, PPG sliding windows could be normally opened. The suction of the

window seal is at the origin of the problem. This problem had already been

reported on some i n

- service aircraft with PPG windows equipped with

gasket/retainer assembly ref 22

- 17

- 7640

- 1/

- 2

. This issue results now in some difficulties during AIRBUS aircraft deliveries

.

(2) Evidence

Investigation showed that a suction effect of the window seal is at th e origin of the

problem.

(3) Substantiation

Adding five holes of 2mm diameter on gaskets bead have been in flight tested and

solved this issue.

(4) Benefits

Accomplishment of this service bulletin will ensure that all PPG windows equipped

with the latest version of seal /retainer assembly P/N ref 22

- 17

- 7640

- 1/

- 2 are

modified according to the following procedure.165312

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Original Issue: February 2 9 , 2012 Page 2 of 7 D. Description

- This service bulletin instructs operators how to add five holes on seal

E. Compliance recommendation

- Application of this Service Bulletin is Mandatory

.

- This service bulletin should be e mbodied at the aircraft’s next 100 days check

after Airbus Inspection Service Bulletin issuance.

F. Approval

- The technical content of this d ocument is approved under the authority of D OA

N o

. E ASA.21J.031.

G. Manpower

- This service bulletin will require two (2) persons a total of 20 Minutes to

accomplish for a unit.

H. Weight and Balance

- No change

I. Electrical Load Data

- Not Applicable

J. Software Accomplishment Summary

- Not Applicable

K. References

- PPG Drawing NP

- 165312, Revision AV

- EDES ref: SA#2

- 05 Issue 00

- PPG Abbreviated Component Maintenance Manual,

(ACMM) Part Number : 56

- 11

- 22 Revision 11

.

- This Service Bulletin is subject to Aircraft Modification No

. 153534 P13038

(classified minor) and is covered by A/C Service Bulletin Number A320

- 56

-

1015.

- Under no circumstances shall the modified equipment, resulting from the

application of this SB, be installed on the aircraft typ e unless the corresponding

modification, and if applicable, its aircraft SB are approved.165312

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- 001

Original Issue: February 2 9 , 2012 Page 3 of 7 L. Other publication affected

- None

M. Interchangeability of parts

- R efer to aircraft Service Bulletin N° A320

- 56

- 1015

H. Tooling

2. MATERIAL INFORMATION

A. Material

– Price and A vailability

- Not Applicable

B. Industry Support Program

- The cost of incorporation of this Service Bulletin will be borne by the user.

C. Material necessary for each component

The following parts are necessary to accomplish this Service Bulletin.

- 2mm dia. Leather Punch

- Metallic ruler (10mm wide on 20 cm length )

- Black Permanent Marker (fine tip)

D. Spare Parts availability

- Not Applicable

E. Reintentified Parts

- Not Applicable

F. Tooling

- Price and availability

- Not Applicable

G. Ma terial In formation

- PPG Industries, Inc.

1719 Highway 72 East

Huntsville, Alabama 35811

USA

Phone: (256) 851

- 7001165312

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Original Issue: February 2 9 , 2012 Page 4 of 7

Facsimile: (256) 859

- 8822

3. ACCOMPLISHMENT INSTRUCTIONS

A. General

NOTE : Under no circumstances shall PPG Aerospace be held responsible for any

damage, whether consequential or not, arising out of faulty workmanship, negligence

or misuse by the User and/or Operators, on equipment modified under this Service

Bulletin.

B. Rework procedure r ecommendation for Units Installed on an Aircraft

(1) Provide access to the aft fixed window exterior surface through use of a sturdy

ladder or other elevated platform.

(2) Seal Rework Procedu re

Note: this procedure has to be applied from the outside of the aircraft

 Material needed:

2mm dia. Punch

Metallic ruler (10mm wide on 20 cm length)

Black Permanent M arker (fine tip)

 5 holes location (on each window) : opposite the existing hole on the other side

of the same bead.165312

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Original Issue: February 2 9 , 2012 Page 5 of 7

(3) How to proceed ?

On aircraft , open the sliding window in order to have access to the seal.165312

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- 001

Original Issue: February 2 9 , 2012 Page 6 of 7 (4) Drill holes with the tool (2 mm Dia. Punch)

Locations are easy to see: opposite the existing hole on the other side of the same

bead.165312

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- 001

Original Issue: February 2 9 , 2012 Page 7 of 7 C. Re

- identification

- When done, mark the connector plate with a permanent black marker:

M after the Serial Number

S/N xxxxxHxxxx M

D. Test

- Not Applicable

E. Family Tree chart

- Not Applicable