On September 2, 1998, a McDonnell Douglas Model MD-11 series airplane was involved in an accident following takeoff from John F. Kennedy International Airport in Jamaica, New York. The cause of the accident has not been determined. \n\n\tIn support of the subsequent accident investigation, examinations were conducted on several Model MD-11 series airplanes; the examinations focused on the area from the cockpit to station 515 (near the forward doors of the airplane in the forward drop ceiling area). The FAA recently has been informed of the results of these examinations, which revealed chafed, cracked, broken, and cut electrical and bonding wires in several of these areas. These conditions, if not corrected, could result in electrical arcing of wiring and consequent fire and/or smoke in the cockpit or cabin. \n\nExplanation of the Requirements of the Rule \n\n\tSince an unsafe condition has been identified that is likely to exist or develop on other airplanes of the same type design, this AD is being issued to prevent electrical arcing of wiring, which could cause a fire and/or smoke in the cockpit or cabin. This AD requires accomplishment of a one-time visual inspection to detect discrepancies (including loose wire connections, loose ground wires, broken bonding wires, small wire bending radii, cracked support brackets, and chafed and cracked wire insulation) of the wiring and insulation in the cockpit and overhead drop ceiling panel areas at stations Y=304 through Y=516 and X= -27 left side through X=27 right side above the floor. The inspection is required to be performed in accordance with a method approved by the FAA. \n\n\tThis AD also requires repair of any discrepancy in accordance with Chapter 20, Standard Wiring Practices of the MD-11 Wiring Diagram Manual, dated October 1, 1998. \n\n\tFurther, this AD requires that operators report results of inspection findings (both positive and negative) to the FAA. \n\nInterim Action \n\n\tThis is considered to be interim action. The inspection reports that are required by this AD will enable the manufacturer to obtain better insight into the nature, cause, and extent of the discrepant wiring, and eventually to develop final action to address the unsafe condition. Once final action has been identified, the FAA may consider further rulemaking. \n\nDetermination of Rule's Effective Date \n\n\tSince a situation exists that requires the immediate adoption of this regulation, it is found that notice and opportunity for prior public comment hereon are impracticable, and that good cause exists for making this amendment effective in less than 30 days. \n\nComments Invited \n\n\tAlthough this action is in the form of a final rule that involves requirements affecting flight safety and, thus, was not preceded by notice and an opportunity for public comment, comments are invited on this rule. Interested persons are invited to comment on this rule by submitting such written data, views, or arguments as they may desire. Communications shall identify the Rules Docket number and be submitted in triplicate to the address specified under the caption "ADDRESSES." All communications received on or before the closing date for comments will be considered, and this rule may be amended in light of the comments received. Factual information that supports the commenter's ideas and suggestions is extremely helpful in evaluating the effectiveness of the AD action and determining whether additional rulemaking action would be needed. \n\n\tComments are specifically invited on the overall regulatory, economic, environmental, and energy aspects of the rule that might suggest a need to modify the rule. All comments submitted will be available, both before and after the closing date for comments, in the Rules Docket for examination by interested persons. A report that summarizes each FAA-public contact concerned with the substance of this AD will be filed in the Rules Docket.Commenters wishing the FAA to acknowledge receipt of their comments submitted in response to this rule must submit a self-addressed, stamped postcard on which the following statement is made: "Comments to Docket Number 99-NM-10-AD." The postcard will be date stamped and returned to the commenter. Regulatory Impact \n\tThe regulations adopted herein will not have substantial direct effects on the States, on the relationship between the national government and the States, or on the distribution of power and responsibilities among the various levels of government. Therefore, in accordance with Executive Order 12612, it is determined that this final rule does not have sufficient federalism implications to warrant the preparation of a Federalism Assessment. \n\n\tThe FAA has determined that this regulation is an emergency regulation that must be issued immediately to correct an unsafe condition in aircraft, and that it is not a "significant regulatory action" under Executive Order 12866. It has been determined further that this action involves an emergency regulation under DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979). If it is determined that this emergency regulation otherwise would be significant under DOT Regulatory Policies and Procedures, a final regulatory evaluation will be prepared and placed in the Rules Docket. A copy of it, if filed, may be obtained from the Rules Docket at the location provided under the caption "ADDRESSES." \n\nList of Subjects in 14 CFR Part 39 \n\n\tAir transportation, Aircraft, Aviation safety, Safety. \n\nAdoption of the Amendment \n\n\tAccordingly, pursuant to the authority delegated to me by the Administrator, the Federal Aviation Administration amends part 39 of the Federal Aviation Regulations (14 CFR part 39) as follows: \n\nPART 39 - AIRWORTHINESS DIRECTIVES \n\n\t1. The authority citation for part 39 continues to read as follows: \n\nAuthority: 49 U.S.C. 106(g), 40113, 44701. \n\n§ 39.13 (Amended)2. Section 39.13 is amended by adding the following new airworthiness directive: