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.EMPRESA BRASILEIRA DE AERONÁUTICAS/A - SÃO JOSÉ DOS CAMPOS - SP 

# SERVICE NEWSLETTER

SNL 145-31-0011 DATE: 26/Aug/04 PAGE: 2 of 1 CHANGE No.: __ - __/___/__

### SERVICE BULLETIN EVALUATION

THE PURPOSE OF THIS FORM IS TO COLLECT DATA THAT WILL BE USED TO IMPROVE THE QUALITY OF OUR SERVICE BULLETINS AND UPDATE THE TECHNICAL PUBLICATIONS. PLEASE FILL IN FORM AND RETURN IT TO: EMBRAER - EMPRESA BRASILEIRA DE AERONÁUTICA S.A. EFTC - SERVICE BULLETIN ENGINEERING AV. BRIGADEIRO FARIA LIMA, 2170 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:

Embraer Copyright © 2010. All rights reserved.EMPRESA BRASILEIRA DE AERONÁUTICAS/A - SÃO JOSÉ DOS CAMPOS - SP 

# SERVICE NEWSLETTER

SNL 145-31-0011 DATE: 26/Aug/04 PAGE: 2 of 1 CHANGE No.: __ - __/___/__