ANAC

AGENCIA NACIONAL DE AVIA({AO CIVIL - BRAZIL

BRAZILIAN AIRWORTHINESS DIRECTIVE

AD No.: 2009-07·01 Effective Date: 13 Jul. 2009

The [0110,,"'i"9 fira7,ilian ,\irwon:hiness Din'ctive (AD), iss'.led by the Agl'oncia )Iacion", de. Avi;:l.c;:Jo Civil

(AN!\C}in aGCOHEne" with pro"isions of Chapter IV, TILl" III of (6digo Brasil,,-iro de Aero"r;,u~i."a r~.,\"~~o_

7,56.5 daced 19 !lec,~m':!E'r1936 - and R~'9111df""nco Grasileiro ,i<' }1o""logac;a" i"~l·Qn.:l:utica(RRHh)3~, "PFlir:s lo

all aircccaft registererl in th" Cl.egist.r" Aeronall~ic,-, pr""ileiro NO perSOll rT'-"Y 0!l"r.1~e ,In ill""r"ft to whiGh

c."is AD ",,,,li,'~. Ulll"~,, i~has previously :;o'cplie6 ·'."i~h the rcqui"unenU; estdhli"hed hereln.

AD No. 2009-07-01 - EMBRAER - Amendme'nt 39-1274.

APPUCAI3JLlTY:

This Ainvorihiness Directive (AD) applies to Embraer model ERJ 170-100 STD,

ERJ 170~100 LR, ERJ 170-100 SU, ERJ 170-100 SE, ERJ 170-200 STD, ERJ 170-200 SU and ERJ 170-

200 LR airplanes with serial number 17000002, 17000004 Ihru 17000013, and 17000015 thru 17000235.

CANCELLATION I REVISION:

Not applicable.

REASON:

1l has been found the possibility of missing points of sealant application on the' vapor

barrier assembly in the wing stub rear box. In the event of fuel tank leak in this region associal'ed with all

unsealed vapor barrier assembly, migration of flammable vapors and fluids to middle electronic bay may

occur, which then could lead to an ullconlained fire event if the flammable vapors finds an ignition

SOllrce.

Since this condition may occur in ol'her airplanes of the same type and affects flight

safety, a corrective action is required. Thus, sufficient reason exists to request compliance with ibis AD

in the indicated time limit.

REQUIRED ACTION:

Detailed Inspection (DET) ofthc vapor barrier assembly III the \ving stub rear box_

COJVIPUANCE:

Required as indicated below, unless already accomplished.

Within the next 6000 flight hours (FH) or 24 months alter Ihe effective date of this AD,

whichever oc·::urs fIrst, carry Ollt a detailed inspection (DET) of the vapor barrier assembly in the ""mg

stub rcar box for missing sealant on ils gaps, voids and holes.

(a) If the vapor barrier sealant is correctly applied, no further action is required.

(b) !flhe vapor balTicr sealant is missing, apply sealant into the applicable gaps, voids and holes berore

the next flight.

NOTE: For the purpose of this ,:>"0, a detailed inspection (DET) is: "An intensive exaIllitwtioll or a

speciflc item, installation or assembly to detect damage, failure or irregtllarity_ Ava ilable lighting

is nOn1lally supplemented with a direcl source of good lighting at an intensity deemed

appropriate. InspeClion aids such us mirrors, magnifying lenses, dc., may be necessary Surtace

cleaning and elaborate access procedures may be required."

The detailed instmctions and procedures to accomplish this AD are described ill the

Dmbraer Service Bulletin No. 170-57-0036, original issue, or further revisions approved by [he ANAC.

Record compliance with this AD in the applicable maintenance log book.

Form F·9()O-G4E
CONTINUATIONOF AD No.: 2009-07-01 • AMENDMENT39·1274

CONTACT:

For additional technical information. contact:

National Civil Aviation Agency (ANAC)

Aeronautical Products Certification Branch (GGCP)

Av. Cassiano Ricardo, 511, Bloca B, 2!!.andar, Parque Residencial Aquarius

Fax: 55 (11) 3797~2330

12146-870 - Sao Jose dos Campos - SP, BRAZIL.

E-mai1: pac@anac.gov.br

APPROVAL:

ADEMIR ANTONlO DA SIl.VA

General Manager

GGCP

DINO ISHlKURA

Airworthiness Superintendent

ANAC

PAGE NO.: 2/2

NOTE: Original in Portuguese language signed <lnd available in the file~ of the Aeronautical Products

Certification Branch (GGep) of the National Civil Aviation Agency (ANA C).

Form F~900-04E