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Federal Aviation Administration, DOT.
This amendment adopts a new airworthiness directive (AD), applicable to certain Dornier Model 328-300 series airplanes, that requires modification of a certain ground cooling fan. This action is necessary to prevent overheating of the connecting terminals of the ground cooling fan, which could result in smoke or fire in the flight compartment and main cabin. This action is intended to address the identified unsafe condition.
Effective June 15, 2004.
The incorporation by reference of a certain publication listed in the regulations is approved by the Director of the Federal Register as of June 15, 2004.
The service information referenced in this AD may be obtained from AvCraft Aerospace GmbH, P.O. Box 1103, D-82230 Wessling, Germany. This information may be examined at the Federal Aviation Administration (FAA), Transport Airplane Directorate, Rules Docket, 1601 Lind Avenue, SW., Renton, Washington; or at the National Archives and Records Administration (NARA). For information on the availablility of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.Start Further Info
FOR FURTHER INFORMATION CONTACT:
Dan Rodina, Aerospace Engineer, International Branch, ANM-116, FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington 98055-4056; telephone (425) 227-2125; fax (425) 227-1149.End Further Info End Preamble Start Supplemental Information
A proposal to amend part 39 of the Federal Aviation Regulations (14 CFR part 39) to include an airworthiness directive (AD) that is applicable to certain Dornier Model 328-300 series airplanes was published in the Federal Register on March 5, 2004 (69 FR 10378). That action proposed to require modification of a certain ground cooling fan.
We provided the public the opportunity to participate in the development of this AD. No comments have been submitted on the proposed AD or on the determination of the cost to the public.
We have carefully reviewed the available data and determined that air safety and the public interest require adopting the AD as proposed.
We estimate that 52 airplanes of U.S. registry will be affected by this AD, that it will take about 2 work hours per airplane to accomplish the modification, and that the average labor rate is $65 per work hour. Required parts will cost about $14,000 per airplane. Based on these figures, the cost impact of the AD on U.S. operators is estimated to be $734,760, or $14,130 per airplane.
The cost impact figure discussed above is based on assumptions that no operator has yet accomplished any of the requirements of this AD action, and that no operator would accomplish those actions in the future if this AD were not adopted. The cost impact figures discussed in AD rulemaking actions represent only the time necessary to perform the specific actions actually required by the AD. These figures typically do not include incidental costs, such as the time required to gain access and close up, planning time, or time necessitated by other administrative actions.
The regulations adopted herein will not have a substantial direct effect 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, it is determined that this final rule does not have federalism implications under Executive Order 13132.
For the reasons discussed above, I certify that this action (1) is not a “significant regulatory action” under Executive Order 12866; (2) is not a “significant rule” under DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979); and (3) will not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act. A final evaluation has been prepared for this action and it is contained in the Rules Docket. A copy of it may be obtained from the Rules Docket at the location provided under the caption ADDRESSES.Start List of Subjects
List of Subjects in 14 CFR Part 39
- Air transportation
- Aviation safety
- Incorporation by reference
Adoption of the AmendmentStart Amendment Part
Accordingly, 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:End Amendment Part Start Part
PART 39—AIRWORTHINESS DIRECTIVESEnd Part Start Amendment Part
1. The authority citation for part 39 continues to read as follows:End Amendment Part
2. Section 39.13 is amended by adding the following new airworthiness directive:End Amendment Part
2004-09-22 Fairchild Dornier GmbH (Formerly Dornier Luftfahrt GmbH): Amendment 39-13611. Docket 2003-NM-138-AD.
Applicability: Model 328-300 series airplanes equipped with a ground cooling fan, part number AE1716D00, certificated in any category.
Compliance: Required as indicated, unless accomplished previously.
To prevent overheating of the connecting terminals of the ground cooling fan, which could result in smoke or fire in the flight compartment and main cabin, accomplish the following: Start Printed Page 26025
(a) Within 60 days after the effective date of this AD: Modify the ground cooling fan by doing all the actions per the Accomplishment Instructions of Dornier Service Bulletin SB-328J-21-045, Revision 1, dated February 26, 2003.
Alternative Methods of Compliance
(b) In accordance with 14 CFR 39.19, the Manager, International Branch, ANM-116, FAA, Transport Airplane Directorate, is authorized to approve alternative methods of compliance for this AD.
Incorporation by Reference
(c) The actions shall be done in accordance with Dornier Service Bulletin SB-328J-21-045, Revision 1, dated February 26, 2003. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from AvCraft Aerospace GmbH, P.O. Box 1103, D-82230 Wessling, Germany. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the National Archives and Records Administration (NARA). For information on the availablility of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.
The subject of this AD is addressed in German airworthiness directive 2003-144, dated May 15, 2003.
(d) This amendment becomes effective on June 15, 2004.Start Signature
Issued in Renton, Washington, on April 22, 2004.
Kalene C. Yanamura,
Acting Manager, Transport Airplane Directorate, Aircraft Certification Service.
[FR Doc. 04-10243 Filed 5-10-04; 8:45 am]
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