{"content":[{"text":"continuing airworthiness information (MCAI), any comments received, and other information. The \n address for Docket Operations is U.S. Department of Transportation, Docket Operations, M-30, West \n Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE, Washington, DC 20590.","bbox":{"left":0.1,"top":0.045741,"width":0.796625,"height":0.051627}},{"text":"FOR FURTHER INFORMATION CONTACT: Scott Stevenson, Aviation Safety Engineer, ECO \n Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: (781) 238-7132; fax: (781) 238- \n 7199; email: Scott.M.Stevenson@faa.gov.","bbox":{"left":0.1,"top":0.115438,"width":0.794568,"height":0.05162699999999999}},{"text":"SUPPLEMENTARY INFORMATION:","bbox":{"left":0.1,"top":0.185437,"width":0.33378399999999997,"height":0.01677899999999999}},{"text":"Background","bbox":{"left":0.1,"top":0.220286,"width":0.10364999999999999,"height":0.01677899999999999}},{"text":"The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 by adding \n an AD that would apply to all RRD Trent XWB-75, Trent XWB-79, Trent XWB-79B, Trent XWB- \n 84, and Trent XWB-97 model turbofan engines. The NPRM published in the Federal Register on \n February 23, 2021 (86 FR 10878). The NPRM was prompted by the manufacturer revising the TLM \n to incorporate repairs to the LPC blades and introduce a new fan blade inspection. In the NPRM, the \n FAA proposed to require revisions to the ALS of the RR Trent XWB TLM, as applicable to each \n engine model, and to the operator's existing approved AMP, to include new or more restrictive \n sections of the applicable RR Trent XWB TLM for each affected engine model. The FAA is issuing \n this AD to address the unsafe condition on these products. \n The European Union Aviation Safety Agency (EASA), which is the Technical Agent for the \n Member States of the European Community, has issued EASA AD 2020-0066, dated March 23, 2020 \n (referred to after this as “the MCAI”), to address the unsafe condition on these products. The MCAI \n states:","bbox":{"left":0.1,"top":0.254831,"width":0.7978430000000001,"height":0.22587000000000002}},{"text":"The Airworthiness Limitations Section instructions for Trent XWB engines, which are \n approved by EASA, are defined and published in TLM TRENTXWB-K0680-TIME0- \n 01. These instructions have been identified as mandatory for continued airworthiness. \n Failure to accomplish these instructions could result in an unsafe condition.","bbox":{"left":0.158823,"top":0.498771,"width":0.6788989999999999,"height":0.06905099999999992}},{"text":"Rolls-Royce recently revised the TLM, introducing new and/or more restrictive \n instructions.","bbox":{"left":0.158823,"top":0.585892,"width":0.6239969999999999,"height":0.03420299999999998}},{"text":"For the reason described above, this [EASA] AD requires accomplishment of the \n instructions specified in the TLM, as defined in this AD.","bbox":{"left":0.158823,"top":0.638164,"width":0.635958,"height":0.03420400000000001}},{"text":"You may obtain further information by examining the MCAI in the AD docket at \n https://www.regulations.gov by searching for and locating Docket No. FAA-2021-0022.","bbox":{"left":0.1,"top":0.690437,"width":0.692549,"height":0.03420299999999998}},{"text":"Discussion of Final Airworthiness Directive Comments","bbox":{"left":0.1,"top":0.743013,"width":0.45782500000000004,"height":0.01677899999999999}},{"text":"The FAA received comments from two commenters. The commenters were Air Line Pilots \n Association, International (ALPA) and Delta Air Lines, Inc. (DAL). The following presents the \n comments received on the NPRM and the FAA's response to each comment.","bbox":{"left":0.1,"top":0.777558,"width":0.750375,"height":0.05162800000000001}},{"text":"Request To Revise Required Actions","bbox":{"left":0.1,"top":0.847558,"width":0.30606,"height":0.01677899999999999}},{"text":"DAL commented that revising the AMP to include the specific requirements contained in Figure \n 1 to paragraph (g)(1) or Figure 2 to paragraph (g)(2) is difficult. DAL requested that the FAA revise \n paragraph (g) of this AD to allow incorporation of the specific language referenced in Figure 1 to","bbox":{"left":0.1,"top":0.882104,"width":0.792624,"height":0.05162699999999998}},{"text":"2","bbox":{"left":0.495098,"top":0.96468,"width":0.00980399999999998,"height":0.01677899999999999}}],"images_bbox":[],"images_bbox_not_text_overlap":[]}