Form F-900-04F AGÊNCIA NACIONAL DE AV IAÇÃO CIVIL – BRAZIL



### BRAZILIAN AIRWORTHINESS DIRECTIVE

AD No.: 2013-10-02 Effective Date: 23 Oct. 2013

The following Brazilian Airworthiness Directive (AD), issued by the Agência Nacional de Av iação Civil (ANAC) in acc ordance with provisions of Chapter IV, Title III of Código Brasileiro de Aeronáutica - Law No. 7,565 dated 19 December 1986 - and R egulamento Brasileiro da Aviação Civil (RBAC) 39, applies to all aircraft regis tered in the Registro Aeronáutico Br asileiro. No pe rson may operate an ai rcraft to which this AD applies, unless it has previously complied with the requirements established herein.
AD No. 2013-10-02 - (EMBRAER) / 39-1375.
APPLICABILITY: This Airworthiness Directive AD applies to Embraer S.A. model EMB-135BJ airplanes, as identifie d in Embraer S.A. Alert Service Bu lletin (ASB) 145LEG- 53-A032, revision 01, dated September 24, 2013.

CANCELLATION / REVISION: Not applicable.

REASON: This AD was prompted by reports of failure of the bolts that connect the lower eyelet fitting of the cockpit windshield center-post to the forward fuselage. We are issuing this AD to detect failed bolts and correct the attaching parts of the lower eyelet fitting of the cockpit windshield center-post, which could lead to loss of structural integrity of the airplane. Since this condition may occur in other airplanes of the same type and affects flight safety, an immediate corrective action is required. Thus, sufficient reason exists to request compliance with this AD in the indicated time lim it without prior notice. REQUIRED ACTION: Inspection and replacement of the attaching parts of the lower eyelet fitting of the cockpit windshields center post.

COMPLIANCE: You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Repetitive Inspections and Corrective Actions (a) For Group 1 airplanes, as identified in Embraer ASB 145LEG-53-A032, revision 01, dated September 24, 2013, that have accumulated more th an 3000 flight cycles af ter the incorporation of the original issue or revision 01 of Em braer Service Bulletin (SB) 145LEG-53-0021; and Group 2 airplanes, as identified in Embr aer ASB 145LEG-53-A032, revision 01, dated September 24, 2013, that have accumulated more than 3000 flight cycles: With in 50 flight cycles after the effective date of this AD, do a detailed inspection (DET) to detect discrepancies on the attaching parts of the lower eyelet fitting of the cockpit windshield center-post, and if any discrepancy exists, repair before further flight; in accordance with the Accomplishment Instructions of Embraer AS B 145LEG-53-A032, revision 1, date d September 24, 2013. RepeatCONTINUATION OF AD No .: 2013-10-02 / 39-1375 PAGE No .: 2/2

Form F-900-04F the detailed inspection required by this paragraph thereafter at intervals not to exceed 50 flight cycles until the modification requir ed by paragraphs (b) or (c) of this AD, as applicable, is done. (b) For Group 1 airplanes, as identified in Embraer ASB 145LEG-53-A032, revision 1, dated September 24, 2013, that have incorporated the or iginal issue or revi sion 01 of Embraer SB 145LEG-53-0021: Before the accumulation of 3000 fli ght cycles after the incorporation of the original issue or revision 01 of Embraer SB 145LEG-53-0021, or within 300 flight cycles after the effective date of this AD, whichever occurs later, do the modification of the attaching parts of the lower eyelet fitting of the cockpit windshi eld center-post, in accordance with Part II of the Accomplishment Instructions of Embraer AS B 145LEG-53-A032, revision 1, dated September 24, 2013. (c) For Group 2 airplanes, as identified in Embraer ASB 145LEG-53-A032, revision 1, dated September 24, 2013: Before the accumulation of 3000 flight cycles, or with in 300 flight cycles after the effective date of this AD, whichever o ccurs later, do the modification of the attaching parts of the lower eyelet fitting of the cockpit windshield center-post, in accordance with Part II of the Accomplishment Instructions of Em braer ASB 145LEG-53-A032, revision 1, dated September 24, 2013. Credit for previous actions (d) This paragraph provides credit for the actions specified in paragraphs (a) and (b) of this AD, if those actions were performed before the effective date of this AD, using Embraer S.A. ASB 145LEG-53-A032, original issu e, dated September 20, 2013. Material Incorporated by Reference (e) You must use Embraer ASB 145LEG-53- A032, revision 1, dated September 24, 2013, or further revisions approved by the ANAC, to do the actions required by this AD, unless this AD specifies otherwise. Alternative methods of compliance (AMOCs) (f) A different method or a different compliance tim e, with the requirements of this AD, may be used if approved by the General Manager of th e Aeronautical Product Certification Branch (Gerência-Geral de Certificação de Produtos Aeronáuticos – GGCP).

CONTACT: For additional information, pl ease contact the ANAC-GGCP, 12246-870 - São Jo sé dos Campos - SP, Brazil, telephone: 55 (12) 3797-2521, Fax: 55 (12) 3797-2330, e-mail: pac@anac.gov.br

. APPROVAL: Signed by:
HÉLIO TARQUÍNIO JÚNIOR General Manager GGCP

DINO ISHIKURA Airworthiness Superintendent ANAC

NOTE: Original in Portuguese language signed and availa ble in the files of the Aeronautical Products Certification Branch (GGCP) of the National Civil Aviation Agency (ANAC).