PNEUMATIC - REPLACEMENT OF THE LH/RH ENGINE LOW-STAGE BLEED CHECK

VALVE PN 1001447-4

1. PLANNING INFORMATION

A. SB EFFECTIVITY

Aircraft affected:

MODEL SN

EMBRAER 190 ECJ All Aircraft in operation.

Affected component:

Engine Low-stage bleed check valve PN 1001447-4, all serial numbers, installed on the

aircraft.

NOTE: This effectivity list includes the aircraft originally equipped with the affected

component. Since this component is a Line Replaceable Unit (LRU), it may

be necessary to refer to the fleet maintenance control record and verify

whether the unit has been replaced with another one during routine

maintenance.

In-production effectivity:

The subject presented in this bulletin does not affect any in-production aircraft.

B. CONCURRENT REQUIREMENTS

None.

SERVICE BULLETIN

DATE: 23/Dec/2009

REVISION No.:

SB No.: 190LIN-36-0004

PAGE: 1 of 11

Embraer Copyright © 2010. All rights reserved.
C. REASON

(1) HISTORY

Instances have been reported by the supplier concerning cracks in some engine

low-stage check valves PN 1001447-4 recently returned for the periodic

Maintenance Review Board (MRB) inspection. Further investigation revealed that

these are fatigue cracks. Fatigue cracks may lead to low-stage check valve failure

and may cause engine shutdown.

(2) OBJECTIVE

To provide instructions for the replacement of existing low-stage bleed check valves

PN 1001447-4 of the LH/RH engine, with either a new or overhauled one bearing the

same PN.

(3) EXPECTED BENEFITS

The actions proposed in this service bulletin are to eliminate a potential condition of

in-flight engine shutdown.

(4) REVISION HISTORY

None.

D. DESCRIPTION

This Bulletin is divided into 2 PARTS, as follows:

PART I REPLACEMENT OF THE RH ENGINE LOW-STAGE BLEED CHECK

VALVE PN 1001447-4

Applicable to: Applicable to 1.A. SB EFFECTIVITY

PART I of this bulletin gives instructions to replace the RH low-stage bleed check valve

with either a new or overhauled one, bearing the same part number. It is necessary that

the check valve removed from the aircraft be tagged with the aircraft serial number, flight

hours and flight cycles and sent to Hamilton Sundstrand (HS). Parts shipping and

handling information is listed in paragraph 2.B. INDUSTRY SUPPORT INFORMATION of

this bulletin.

To gain access to the work area, it is necessary to open access doors 423AL and 425AL.

SERVICE BULLETIN

SB No.: 190LIN-36-0004

PAGE: 2

DATE: 23/Dec/2009

REVISION No.:

Embraer Copyright © 2010. All rights reserved.
PART II REPLACEMENT OF THE LH ENGINE LOW-STAGE BLEED CHECK

VALVE PN 1001447-4

Applicable to: Applicable to 1.A. SB EFFECTIVITY

PART II of this bulletin gives instructions to replace the LH low-stage bleed check valve

with either a new or overhauled one, bearing the same part number. It is necessary that

the check valve removed from the aircraft be tagged with the aircraft serial number, flight

hours and flight cycles and sent to Hamilton Sundstrand (HS). Parts shipping and

handling information is listed in paragraph 2.B. INDUSTRY SUPPORT INFORMATION of

this bulletin.

To gain access to the work area, it is necessary to open access doors 413AL and 415AL.

NOTE: The modification presented in this bulletin does not affect Fatigue Critical

Structure (FCS).

E. COMPLIANCE

(1) APPLICABLE TO PART I

This Service Bulletin should be accomplished within 200 Flight Hour(s) after the

receipt of this Service Bulletin, or prior to the accumulation of 2000 Flight Hour(s),

whichever occurs later.

The replacement of the RH engine low-stage bleed check valve must be repetitive

at every 2000 Flight Hour(s), until a final action is available.

(2) APPLICABLE TO PART II

This Service Bulletin should be accomplished within 200 Flight Hour(s) after the

receipt of this Service Bulletin, or prior to the accumulation of 2000 Flight Hour(s),

whichever occurs later.

The replacement of the LH engine low-stage bleed check valve must be repetitive at

every 2000 Flight Hour(s), until a final action is available.

F. APPROVAL

The technical aspects of this Service Bulletin are approved by: Agência Nacional de

Aviação Civil (ANAC).

SERVICE BULLETIN

DATE: 23/Dec/2009

REVISION No.:

SB No.: 190LIN-36-0004

PAGE: 3

Embraer Copyright © 2010. All rights reserved.
G. ESTIMATED MANPOWER

This estimate is for direct labor only, performed by experienced personnel, and does not

include the time to plan, prepare, or inspect the work.

It is assumed that all the tools, parts, and other means are promptly available when

necessary.

This estimate does not include the sealant, paint, or adhesive curing time.

(1) APPLICABLE TO PART I

– Access opening: 0.15 man-hour/hours.

– Inspection: None.

– Modification: 2.5 man-hours.

– Access closure: 0.15 man-hours.

– Test: 0.5 man-hours.

(2) APPLICABLE TO PART II

– Access opening: 0.15 man-hours.

– Inspection: None.

– Modification: 2.5 man-hours.

– Access closure: 0.15 man-hours.

– Test: 0.5 man-hours.

H. WEIGHT AND BALANCE

– Change in basic weight: None.

– Change in basic moment: None.

SERVICE BULLETIN

SB No.: 190LIN-36-0004

PAGE: 4

DATE: 23/Dec/2009

REVISION No.:

Embraer Copyright © 2010. All rights reserved.
I. SOFTWARE ACCOMPLISHMENT SUMMARY

None.

J. REFERENCES

AMM 190LIN/( ) Aircraft Maintenance Manual PART II - 20-00-00 - STANDARD

PRACTICES-AIRFRAME.

AMM 190LIN/( ) Aircraft Maintenance Manual PART II - 36-11-00 and 36-11-02 -

PNEUMATIC.

K. OTHER PUBLICATIONS AFFECTED

None.

SERVICE BULLETIN

DATE: 23/Dec/2009

REVISION No.:

SB No.: 190LIN-36-0004

PAGE: 5

Embraer Copyright © 2010. All rights reserved.
2. MATERIAL INFORMATION

A. MATERIAL - PRICE AND AVAILABILITY

(1) MATERIAL AVAILABLE FROM EMBRAER

None.

(2) MATERIAL AVAILABLE FROM OTHER VENDORS

Refer to section 2.C. MATERIAL NECESSARY FOR EACH AIRCRAFT.

B. INDUSTRY SUPPORT INFORMATION

Check valves PN 1001447-4, removed from the aircraft and tagged with the aircraft serial

number, flight hours, and flight cycles, must be sent to Hamilton Sundstrand to the

following address.

Hamilton Sundstrand Worldwide Repair

Windsor Locks Repair Station

One Hamilton Road

Dock W

Windsor Locks, CT 06096

or

Hamilton Sundstrand Worldwide Repair

Customer Support Center - Maastricht B.V.

Horsterweg 7

6199 AC Maastricht Airport

Netherlands

C. MATERIAL NECESSARY FOR EACH AIRCRAFT

When applicable, the use of alternative or similar parts in place of the one specified in the

kits is allowable, provided that these alternative or similar parts are approved by Embraer

as indicated in the related Embraer Technical Publications or through a formal Embraer

communication channel.

SERVICE BULLETIN

SB No.: 190LIN-36-0004

PAGE: 6

DATE: 23/Dec/2009

REVISION No.:

Embraer Copyright © 2010. All rights reserved.
The expendable or consumable parts presented in the AMM Tasks referred to in this

bulletin, which are necessary for its accomplishment, should be procured from the

operator’s inventories or ordered as spares.

The complementary information, when necessary, is presented as Notes in the respective

Table.

(1) TOP KITS AND KITS

None.

(2) MATERIAL TO BE PROCURED

(a) Parts

The parts below should be procured from operator’s inventories or requested

directly from the manufacturer, as indicated in the associated Note.

Applicable to PART I

NEW PN DESCRIPTION OLD PN QTY DISP/

Notes

13100-300 Seal 13100-300 04 7/ [1]

1001447-4 low-stage bleed check

valve

1001447-4 01 7/ [2]

1. Goodrich Aerostructures / 850 Laggon Drive Chula Vista, CA 91910-2098, USA.

2. Hamilton Sundstrand Worldwide Repair / Windsor Locks Repair Station / One Hamilton

Road, Dock W, Windsor Locks, CT 06096, USA. or Hamilton Sundstrand Worldwide

Repair / Customer Support Center - Maastricht B.V. / Horsterweg 7 / 6199 AC Maastricht

Airport / Netherlands

SERVICE BULLETIN

DATE: 23/Dec/2009

REVISION No.:

SB No.: 190LIN-36-0004

PAGE: 7

Embraer Copyright © 2010. All rights reserved.
Applicable to PART II

NEW PN DESCRIPTION OLD PN QTY DISP/

Notes

13100-300 Seal 13100-300 04 7/ [1]

1001447-4 low-stage bleed check

valve

1001447-4 01 7/ [2]

1. Goodrich Aerostructures / 850 Laggon Drive Chula Vista, CA 91910-2098, USA.

2. Hamilton Sundstrand Worldwide Repair / Windsor Locks Repair Station / One Hamilton

Road, Dock W, Windsor Locks, CT 06096, USA. or Hamilton Sundstrand Worldwide

Repair / Customer Support Center - Maastricht B.V. / Horsterweg 7 / 6199 AC Maastricht

Airport / Netherlands

DISPOSITION: 7 = Replace with part bearing same PN

D. MATERIAL NECESSARY FOR EACH SPARE

None.

E. REIDENTIFIED PARTS

None.

F. TOOLING - PRICE AND AVAILABILITY

None.

SERVICE BULLETIN

SB No.: 190LIN-36-0004

PAGE: 8

DATE: 23/Dec/2009

REVISION No.:

Embraer Copyright © 2010. All rights reserved.
3. ACCOMPLISHMENT INSTRUCTIONS

NOTE: 1) Obey all of the WARNINGS and CAUTIONS included in the referenced manuals

and procedures.

2) The Manuals and other documents are referred to by acronyms or using a

simplified form. Refer to section 1.J. REFERENCES for a more complete

definition.

The steps below outline the general accomplishment instructions.

The detailed sequence is included in the respective figure, when necessary.

A. Make sure that the aircraft is safe for maintenance. Refer to AMM TASK

20-00-00-910-801-A/200 - Aircraft Maintenance Safety Procedures - Standard

Procedures.

B. PART I - REPLACEMENT OF THE RH ENGINE LOW-STAGE BLEED CHECK VALVE

PN 1001447-4

1) Remove and retain RH low-stage engine bleed check valve PN 1001447-4 and

remove and discard seals PN 13100-300 (04 positions), according to AMM TASK

36-11-02-000-801-A/400 - Low-Stage Bleed Check-Valves - Removal.

2) Send removed check valves, tagged with the aircraft serial number, flight hours and

flight cycles, to Hamilton Sundstrand to the address listed in paragraph 2.B.

INDUSTRY SUPPORT INFORMATION of this bulletin. A copy of this data-tag must

also be sent to the Embraer 170 AMS Technical Support, to email

170.ams@embraer.com.br

3) Install new or overhauled RH low-stage engine bleed check valve PN 1001447-4 and

seals PN 13100-300 (04 positions), according to AMM TASK

36-11-02-400-801-A/400 - Low-Stage Bleed Check-Valves - Installation.

4) Perform the operational test of the engine pneumatic bleed system, according to

AMM TASK 36-11-00-710-801-A/500 - Engine Pneumatic Bleed-System -

Operational Test.

5) Restore the aircraft to normal.

SERVICE BULLETIN

DATE: 23/Dec/2009

REVISION No.:

SB No.: 190LIN-36-0004

PAGE: 9

Embraer Copyright © 2010. All rights reserved.
6) Enter the accomplishment of PART I of this bulletin in the applicable documents.

C. PART II - REPLACEMENT OF THE LH ENGINE LOW-STAGE BLEED CHECK VALVE

PN 1001447-4

1) Remove and retain LH low-stage engine bleed check valve PN 1001447-4 and

remove and discard seals PN 13100-300 (04 positions), according to AMM TASK

36-11-02-000-801-A/400 - Low-Stage Bleed Check-Valves - Removal.

2) Send removed check valve, tagged with the aircraft serial number, flight hours and

flight cycles, to Hamilton Sundstrand to the address listed in paragraph 2.B.

INDUSTRY SUPPORT INFORMATION of this bulletin. A copy of this data-tag must

also be sent to the Embraer 170 AMS Technical Support, to email

170.ams@embraer.com.br

3) Install new or overhauled LH low-stage engine bleed check valve PN 1001447-4 and

seals PN 13100-300 (04 positions), according to AMM TASK

36-11-02-400-801-A/400 - Low-Stage Bleed Check-Valves - Installation.

4) Perform the operational test of the engine pneumatic bleed system, according to

AMM TASK 36-11-00-710-801-A/500 - Engine Pneumatic Bleed-System -

Operational Test.

5) Restore the aircraft to normal.

6) Enter the accomplishment of PART II of this bulletin in the applicable documents.

NOTE: 1) Please inform us by e-mail reliability.executive@embraer.com.br of the

aircraft manufacturer serial number and the SB incorporation date,

specifying the SB Part(s) incorporated or whether the whole SB has been

incorporated. This will enable Embraer to consider your aircraft configuration

when providing future modifications.

2) To formally inform that the SB has been incorporated fleet-wide or that the

SB will not be incorporated, so that Embraer can update the affected

technical publications, use the “Service Bulletin Full-Fleet Incorporation

Report” form, which is available on the Flyembraer portal

(http://www.flyembraer.com).

SERVICE BULLETIN

SB No.: 190LIN-36-0004

PAGE: 10

DATE: 23/Dec/2009

REVISION No.:

Embraer Copyright © 2010. All rights reserved.
3) Use the attached “Service Bulletin Evaluation” form to send us your

comments regarding this SB. Your feedback will be much appreciated as an

aid to help us improve the quality of the SBs.

SERVICE BULLETIN

DATE: 23/Dec/2009

REVISION No.:

SB No.: 190LIN-36-0004

PAGE: 11

Embraer Copyright © 2010. All rights reserved.
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SERVICE NEWSLETTER

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SÃO JOSÉ DOS CAMPOS - SP - 12227-901

BRASIL

Fax: + 55 12 3927-6600 (ext. 1624)

e-mail: service.bulletin@embraer.com.br

S.B. Title: S.B.: (Number / Rev.)

Operator: Aircraft serial number affected: (per S.B. effectivity list)

PRE-ACCOMPLISHMENT EVALUATION: (Check applicable squares below)

[ ] WILL BE ACCOMPLISHED ON FIRST A/C [ ] WILL BE ACCOMPLISHED AS REQUIRED

[ ] WILL BE ACCOMPLISHED ON FLEET [ ] DECISION DEFERRED (Explain below)

[ ] WILL NOT BE ACCOMPLISHED:

[ ] UNECONOMICAL

[ ] SERVICE EXPERIENCE DOES NOT JUSTIFY

[ ] OPERATIONAL ENVIRONMENT DOES NOT JUSTIFY

[ ] OTHER (Explain below)

POST-ACCOMPLISHMENT EVALUATION: (Check applicable squares below)

ESTIMATED MANPOWER: [ ] OK [ ] NOT OK (Explain Below)

MATERIAL & KITS: [ ] OK [ ] NOT OK (Explain Below)

ACCOMPLISHMENT INSTRUCTIONS: [ ] OK [ ] NOT OK (Explain Below)

FIGURES: [ ] OK [ ] NOT OK (Explain Below)

SB GENERAL EVALUATION: [ ] OK [ ] NOT OK (Explain Below)

COMMENTS: (Bulletin quality/ Difficulties found at the time of incorporation/ Suggested improvements/ Other)

Organization: Fax: Phone:

E-mail:

Address: Prepared by:(Name/Title) Date:

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EMPRESA BRASILEIRA DE AERONÁUTICA S/A - SÃO JOSÉ DOS CAMPOS - SP

SERVICE NEWSLETTER

SNL 145-31-0011 DATE: 26/Aug/04

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