Airworthiness Directive · Amendment 39-16328 · Wings
Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135ER, -135KE, -135KL, and -135LR Airplanes; and EMBRAER Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP Airplanes
This AD applies to all Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model EMB-135ER, -135KE, -135KL, and -135LR airplanes; and EMBRAER Model EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and -145EP airplanes; certificated in any category.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done.
Within 90 days after the effective date of this AD, do the following actions, as applicable.
(1) For EMBRAER Model EMB-135ER, -135KE, -135KL, and -135LR airplanes, and Model EMB-145, -145EP, -145ER, -145LR, -145MP, and -145MR airplanes: Revise the Airworthiness Limitations (ALS) of the Instructions for Continued Airworthiness (ICA) to incorporate Tasks 54-50-00-230-802-A00 and 54-50-00-220-808-A01 specified in Appendix 2, Airworthiness Limitation Requirements, of EMBRAER EMB135/EMB145 Maintenance Review Board Report MRB-145/1150, Revision 12, dated September 19, 2008 (the “MRBR”). The initial compliance times for the tasks start from the applicable threshold specified in Appendix 2 of the MRBR, or within 500 flight cycles after the effective date of this AD, whichever occurs later.
(2) For EMBRAER Model EMB-145EP, -145ER, -145LR, -145MR, and -145MP airplanes: Revise the ALS of the ICA to incorporate Tasks 57-26-00-250-815-A00, 57-26-00-250-815-A01, 57-26-00-250-813-A00, and 57-26-00-250-813-A02, specified in Appendix 2, Airworthiness Limitation Requirements, of EMBRAER EMB135/EMB145 Maintenance Review Board Report MRB-145/1150, Revision 12, dated September 19, 2008 (“the MRBR”). The initial compliance times for the tasks start from the later of the times specified in paragraph (g)(2)(i) or (g)(2)(ii) of this AD.
(i) At the later of the applicable thresholds specified in Appendix 2 of the MRBR or within 500 flight cycles after the effective date of this AD, whichever occurs later.
(ii) At the applicable time specified in Section A2.3.2.3.1, “Fatigue Threshold Reduced,” of Appendix 2, Airworthiness Limitation Requirements, of the MRBR.
(3) For all airplanes: Revise the ALS of the ICA to incorporate Tasks 57-10-00-250-801-A00 and 57-10-00-250-801-A01 specified in EMBRAER Temporary Revision 12-1, dated November 27, 2008, to the EMBRAER EMB135/EMB145 Maintenance Review Board Report MRB-145/1150, Revision 12, dated September 19, 2008. The initial compliance times for the tasks start at the times specified in paragraphs (g)(3)(i) and (g)(3)(ii) of this AD, as applicable.
(i) For Task 57-10-00-250-801-A00: Prior to the accumulation of 23,600 total flight cycles, or within 500 flight cycles after the effective date of this AD, whichever occurs later.
(ii) For Task 57-10-00-250-801-A01: Within 24,000 flight cycles after accomplishing EMBRAER Service Bulletin 145-57-0047, dated October 18, 2008, or within 500 flight cycles after the effective date of this AD, whichever occurs later.
(h) After accomplishing the actions specified in paragraph (g) of this AD, no alternative inspections, inspection intervals, or airworthiness limitations may be used unless the inspections, inspection intervals, or airworthiness limitations are approved as alternative method of compliance in accordance with the procedures specified in paragraph (i) of this AD.
Note 1: This AD differs from the MCAI and/or service information as follows: No differences.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
