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TRANSMITTAL LETTER .
TRANSMITTAL LETTER SB No.: 145LEG-53-A032 PAGE: 1 of 1 Copyright © 2013 by EMBRAER S.A. All rights reserved.
1. DESCRIPTION This sheet transmits Revision 01 to Service Bulletin 145LEG-53-A032.
This is a complete reissue of the Bulletin.
This revision incorporates the information presente d in the Information Notice related to the previous issues of this Service Bulletin, as listed below:
None.
2. ADDITIONAL ACTION Aircraft that have complied with the previous issue of this bulletin do not need any additional action.
3. RECORD OF REVISION Original issue: 20/Sep/2013.
Revision 01: 24/Sep/2013.
4. HIGHLIGHTS The topics, affected pages, and a brief description of the content-related changes introduced by this revision are presented below.
Revision bars are put in the left margin of each pa ge to show the location of the significant changes. Text displacement and text format changes are not indicated.
TOPIC/ PAGE DESCRIPTION OF REVISION
1. PLANNING INFORMATION C. REASON/ 7 Included reason for Revision 01
3. ACCOMPLISHMENT INSTRUCTIONS FIGURE 2/ 25 and 26. Updated illustration.
No text on this page: it may be a figure. Open the PDF to see it.
A L E R T
SERVICE BULLETIN
DATE: 20/Sep/2013 SB No.: 145LEG-53-A032 REVISION No.: 01 - 24/Sep/2013 PAGE: 1 of 24 Copyright © 2013 by EMBRAER S.A. All rights reserved.
FUSELAGE – INSPECTION AND REPLACEMENT OF ATTACHMENT S PARTS FROM
THE COCKPIT WINDSHIELD CENTER POST LOWER EYELET FITTING
In connection with the use of this document, Embraer does not provide any express or implied warrantie s and expressly disclaims any warranty of merchantability or fitness for a particular purpose.
1. PLANNING INFORMATION A. SB EFFECTIVITY Aircraft affected:
MODEL SN EMB-135BJ 145412, 145462, 145484, 145495, 145505, 1 45516, 145528, 145540, 145549, 145555, 145586, 145625, 145637, 145642, 145644, 145678, 145686, 145699, 145706, 145711, 145717, 145730, 145770, 145775, 145780, 145789, 145796, 14500802, 14500809, 14500818, 14500825, 14500832, 14500841, 14500851, 14500854, 14500863, 14500867, 14500873, 14500880, 14500884, 14500891, 14500901, 14500903, 14500910, 14500913, 14500916, 14500919, 14500925, 14500933, 14500937, 14500939, 14500941, 14500942, 14500944, 14500946, 14500948, 14500950, 14500952, 14500954, 14500955, 14500957, 14500960, 14500961, 14500963, 14500965 thru 14500967, 14500969 thru 14500976, 14500978 thru 14500983, 14500985, 14500986, 14500988 thru 14500991, 14500993 thru 14500995, 14500997 thru 14500999, 14501001 thru 14501004, 14501006 thru 14501008, 14501010 thru 14501012,14501014 thru 14501018, 14501020,
A L E R T
SERVICE BULLETIN SB No.: 145LEG-53-A032 DATE: 20/Sep/2013 PAGE: 2 REVISION No.: 01 - 24/Sep/2013 Copyright © 2013 by EMBRAER S.A. All rights reserved.
MODEL SN EMB-135BJ 14501021, 14501023, 14501025, 14501026, 14501029, 14501031, 14501032, 14501034, 14501035, 14501037 thru 14501039, 14501041, 14501042, 14501044 thru 14501046, 14501048, 14501049, 14501051, 14501052, 14501054, 14501055, 14501057, 14501058, 14501060 thru 14501062, 14501064, 14501066, 14501067, 14501069, 14501071, 14501072, 14501074, 14501075, 14501078 thru 14501080, 14501082, 14501083, 14501086, 14501087, 14501089 thru 14501092, 14501094 thru 14501096, 14501098 thru 14501100, 14501102, 14501105 thru 14501107, 14501109 thru 14501111, 14501113, 14501114, 14501117 thru 14501123, 14501126 thru 14501128, 14501131 thru 14501134, 14501136 thru 14501152, 14501154 thru 14501158, 14501160 thru 14501169, 14501171 thru 14501174, 14501176, 14501181, 14501184, and 14501187.
Affected component:
None.
In-production effectivity:
EMB-135BJ model aircraft SN 14501103, 14501115, 145 01170, 14501175, 14501179, 14501180, 14501182, 14501183, 14501188 th ru 14501210, 14501212 thru 14501227, and 14501229 thru 14501249 and on have an equivalent modification factory-incorporated.
A L E R T
SERVICE BULLETIN DATE: 20/Sep/2013 SB No.: 145LEG-53-A032 REVISION No.: 01 - 24/Sep/2013 PAGE: 3 Copyright © 2013 by EMBRAER S.A. All rights reserved.
The SB effectivity is divided into GROUPS of aircraft, as follows:
(1) GROUP 1
MODEL SN EMB-135BJ 145412, 145462, 145484, 145495, 145505, 145516, 145 528, 145540, 145549, 145555, 145586, 145591, 145625, 145 637, 145642, 145644, 145678, 145686, 145699, 145706, 145 711, 145717, 145730, 145770, 145775, 145780, 145789, 145 796, 14500802, 14500809, 14500818, 14500825, 14500832, 1 4500841, 14500851, and 14500854 which have accomplished with SB145LEG-53-0021.
(2) GROUP 2
MODEL SN EMB-135BJ 14500863, 14500867, 14500873, 14500880, 14500884, 1 4500891, 14500901, 14500903, 14500910, 14500913, 14500916, 1 4500919, 14500925, 14500933, 14500937, 14500939, 14500941, 1 4500942, 14500944, 14500946, 14500948, 14500950, 14500952, 1 4500954, 14500955, 14500957, 14500960, 14500961, 14500963, 1 4500965 thru 14500967, 14500969 thru 14500976, 14500978 thr u 14500983, 14500985, 14500986, 14500988 thru 1450099 1, 14500993 thru 14500995, 14500997 thru 14500999, 14501001 thru 14501004, 14501006 thru 14501008, 14501010 thru 145 01012, 14501014 thru 14501018, 14501020, 14501021, 1450102 3, 14501025, 14501026, 14501029, 14501031, 14501032, 1 4501034, 14501035, 14501037 thru 14501039, 14501041, 1450104 2, 14501044 thru 14501046, 14501048, 14501049, 1450105 1, 14501052, 14501054, 14501055, 14501057, 14501058, 1 4501060 thru 14501062, 14501064, 14501066, 14501067, 14501069,
A L E R T
SERVICE BULLETIN SB No.: 145LEG-53-A032 DATE: 20/Sep/2013 PAGE: 4 REVISION No.: 01 - 24/Sep/2013 Copyright © 2013 by EMBRAER S.A. All rights reserved.
MODEL SN EMB-135BJ 14501071, 14501072, 14501074, 14501075, 14501078 th ru 14501080, 14501082, 14501083, 14501086, 14501087, 1 4501089 thru 14501092, 14501094 thru 14501096, 14501098 thr u 14501100, 14501102, 14501105 thru 14501107, 1450110 9 thru 14501111, 14501113, 14501114, 14501117 thru 1450112 3, 14501126 thru 14501128, 14501131 thru 14501134, 14501136 thru 14501152, 14501154 thru 14501158, 14501160 thru 145 01169, 14501171 thru 14501174, 14501176, 14501181, 1450118 4, and 14501187.
B. CONCURRENT REQUIREMENTS None.
A L E R T
SERVICE BULLETIN DATE: 20/Sep/2013 SB No.: 145LEG-53-A032 REVISION No.: 01 - 24/Sep/2013 PAGE: 5 Copyright © 2013 by EMBRAER S.A. All rights reserved.
C. REASON
1. HISTORY During planned inspections of ERJ145 aircraft lower beam it was detected a failure of bolts that connect the forward fuselage center post eyelet (between windshields). Investigation indicates that this fai lure may have relation to the bolts fatigue strength, and therefore a dedicated a ction to ensure the structures’ integrity is required.
2. OBJECTIVE To ensure the integrity of the four bolts that conn ect the forward fuselage center post eylet.
3. EXPECTED BENEFITS The new bolts present higher mechanical properties and also better fatigue life, preventing eyelet fitting dettaching.
4. REVISION HISTORY
(a) Revision 01: Updated illustration.
A L E R T
SERVICE BULLETIN SB No.: 145LEG-53-A032 DATE: 20/Sep/2013 PAGE: 6 REVISION No.: 01 - 24/Sep/2013 Copyright © 2013 by EMBRAER S.A. All rights reserved.
D. DESCRIPTION This Bulletin is divided into 2 PARTS, as follows:
PART I INSPECTION OF THE CENTER POST FITTING ATTACHMENT PARTS.
Applicable to: GROUPS 1 and 2 aircraft.
PART I of this bulletin presents an inspection for the integrity of the attaching parts of the cockpit windshield center post lower eyelet fitting.
To gain access to the work area, it is necessary to remove the glareshield coverage, and the windshield center fairing.
PART II REPLACEMENT OF THE CENTER POST FITTING ATTACHMENT PARTS.
Applicable to: GROUPS 1 and 2 aircraft.
PART II of this bulletin consists in replacing the attachment parts of the cockpit windshield center post lower eyelet fitting.
To gain access to the work area, it is necessary to remove the cockpit windshields, pilot and copilot seats, glareshield coverage, and the windshield center fairing.
A L E R T
SERVICE BULLETIN DATE: 20/Sep/2013 SB No.: 145LEG-53-A032 REVISION No.: 01 - 24/Sep/2013 PAGE: 7 Copyright © 2013 by EMBRAER S.A. All rights reserved.
E. COMPLIANCE
(a) Applicable to GROUP 1 aircraft:
For aircraft with more than 3000 flight cycles sinc e the SB 145LEG-53-0021 incorporation:
- “PART I” of this bulletin is to be accomplished w ithin the next 50 flight cycles from the date this bulletin was issued.
- Thereafter, “PART I” of this bulletin is to be r epeated every 50 flight cycles limited to maximum of 6 inspections, until “PART II ” of this bulletin has been accomplished.
For aircraft with less than 3000 flight cycles sinc e the SB 145LEG-53-0021 incorporation:
PART II of this bulletin must be accomplished befor e the aircraft logs 3000 flight cycles or the next 96 months check (or multi ples), whichever occurs first.
(b) Applicable to GROUP 2 aircraft:
For aircraft with more than 3000 total flight cycles:
- “PART I” of this bulletin is to be accomplished w ithin the next 50 flight cycles from the date this bulletin was issued.
- Thereafter, “PART I” of this bulletin is to be r epeated every 50 flight cycles limited to maximum of 6 inspections, until “PART II ” of this bulletin has been accomplished.
For aircraft with less than 3000 total flight cycles:
PART II of this bulletin must be accomplished befor e the aircraft logs 3000 flight cycles or the next 96 months check (or multi ples), whichever occurs first.
F. APPROVAL The technical aspects of this Alert Service Bulleti n are approved by: Embraer – Engineering Board.
A L E R T
SERVICE BULLETIN SB No.: 145LEG-53-A032 DATE: 20/Sep/2013 PAGE: 8 REVISION No.: 01 - 24/Sep/2013 Copyright © 2013 by EMBRAER S.A. All rights reserved.
G. COMMUNICATIONS TO EMBRAER EMBRAER requests that any results found during thes e inspections be informed to your local EMBRAER representatives or offices.
H. ESTIMATED MANPOWER This estimate is for direct labor only, performed b y 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: 1.0 man-hour.
- Inspection: 0.5 man-hours.
- Modification: None.
- Access closure: 1.0 man-hour.
- Test: none.
2. APPLICABLE TO PART II
- Access opening: 10.0 man-hours.
- Inspection: 0.5 man-hours.
- Modification: 1.5 man-hours.
- Access closure: 22.0 man-hours.
- Test: none.
A L E R T
SERVICE BULLETIN DATE: 20/Sep/2013 SB No.: 145LEG-53-A032 REVISION No.: 01 - 24/Sep/2013 PAGE: 9 Copyright © 2013 by EMBRAER S.A. All rights reserved.
I. WEIGHT AND BALANCE
- Change in basic weight: None
- Change in basic moment: None
J. ELECTRICAL LOAD DATA None.
K. REFERENCES AMM-( ) – Aircraft Maintenance Manual – Chapter 32- 00-01 – Landing Gear.
AMM-( ) – Aircraft Maintenance Manual – Chapter 25- 12-07 – Equipment and Furnishings.
AMM-( ) – Aircraft Maintenance Manual – Chapter 25- 12-01 – Equipment and Furnishings.
AMM-( ) – Aircraft Maintenance Manual – Chapter 25- 11-01 – Equipment and Furnishings.
AMM-( ) – Aircraft Maintenance Manual – Chapter 25- 12-15 – Equipment and Furnishings.
AMM-( ) – Aircraft Maintenance Manual – Chapter 53- 12-02 – Fuselage.
AMM-( ) – Aircraft Maintenance Manual – Chapter 56- 10-01 – Windows.
L. OTHER PUBLICATIONS AFFECTED IPC-( ) – Illustrated Parts Catalog - Chapter 53-12 -00 - Fuselage.
A L E R T
SERVICE BULLETIN SB No.: 145LEG-53-A032 DATE: 20/Sep/2013 PAGE: 10 REVISION No.: 01 - 24/Sep/2013 Copyright © 2013 by EMBRAER S.A. All rights reserved.
2. MATERIAL INFORMATION A. MATERIAL – PRICE AND AVAILABILITY
(1) MATERIAL AVAILABLE FROM EMBRAER None.
(2) MATERIAL AVAILABLE FROM OTHER VENDORS None.
B. INDUSTRY SUPPORT INFORMATION None.
C. MATERIAL NECESSARY FOR EACH AIRCRAFT None.