50586 Federal Register / Vol. 66, No. 193 / Thursday, October 4, 2001 / Proposed Rules
Administrator, the Federal Aviation Short Brothers PLC: Docket 2001–NM–229– been eliminated, the request should include Administration proposes to amend part AD. specific proposed actions to address it. 39 of the Federal Aviation Regulations Applicability: All Model SD3 series Compliance: Required as indicated, unless (14 CFR part 39) as follows: airplanes, certificated in any category. accomplished previously. Note 1: This AD applies to each airplane To prevent failure of the elevator torque PART 39—AIRWORTHINESS identified in the preceding applicability shaft, which could result in reduced DIRECTIVES provision, regardless of whether it has been controllability of the airplane, accomplish modified, altered, or repaired in the area the following: subject to the requirements of this AD. For 1. The authority citation for part 39 airplanes that have been modified, altered, or Inspection continues to read as follows: repaired so that the performance of the (a) Within 60 days after the effective date Authority: 49 U.S.C. 106(g), 40113, 44701. requirements of this AD is affected, the owner/operator must request approval for an of this AD: Perform a detailed visual inspection of the bearing housings of the § 39.13 [Amended] alternative method of compliance in accordance with paragraph (c) of this AD. elevator torque shaft assembly to detect 2. Section 39.13 is amended by The request should include an assessment of discrepancies (including movement of the adding the following new airworthiness the effect of the modification, alteration, or housings relative to the mounting structure), directive: repair on the unsafe condition addressed by in accordance with the applicable service this AD; and, if the unsafe condition has not bulletin listed in the following table:
TABLE 1.—SERVICE BULLETINS
Inspect in accordance For model with Short Brothers Dated service bulletin
(1) SD3–60 Sherpa series airplanes ...... SD360 SHERPA–27–6 May 22, 2001. (2) SD3 Sherpa series airplanes ...... SD3 SHERPA–27–5 May 22, 2001. (3) SD360 series airplanes ...... SD360–27–31 May 22, 2001. (4) SD330 series airplanes ...... SD330–27–39 May 22, 2001.
Note 2: For the purposes of this AD, a Special Flight Permits SUMMARY: This document proposes the detailed visual inspection is defined as: ‘‘An (d) Special flight permits may be issued in adoption of a new airworthiness intensive visual examination of a specific accordance with sections 21.197 and 21.199 directive (AD) that is applicable to structural area, system, installation, or of the Federal Aviation Regulations (14 CFR certain BAE Systems (Operations) assembly to detect damage, failure, or 21.197 and 21.199) to operate the airplane to irregularity. Available lighting is normally Limited Model BAe 146 and Avro 146– a location where the requirements of this AD RJ series airplanes. This proposal would supplemented with a direct source of good can be accomplished. lighting at intensity deemed appropriate by require a one-time inspection to detect the inspector. Inspection aids such as mirror, Note 5: The subject of this AD is addressed corrosion of the flap structure and magnifying lenses, etc., may be used. Surface in British airworthiness directives 003–05– machined ribs, corrective actions if cleaning and elaborate access procedures 2001, 008–05–2001, 009–05–2001, and 007– necessary, and reprotection of the rib 05–2001. may be required.’’ boss bores. This action is necessary to Corrective Action Issued in Renton, Washington, on detect and correct corrosion in the flap September 28, 2001. structure and machined ribs, which (b) If any discrepancy is found during the Charles Huber, could result in reduced structural inspection required by paragraph (a) of this AD: Prior to further flight, replace any Acting Manager, Transport Airplane integrity of the airplane. This action is affected part with a new part, in accordance Directorate, Aircraft Certification Service. intended to address the identified with the applicable service bulletin listed in [FR Doc. 01–24874 Filed 10–3–01; 8:45 am] unsafe condition. Table 1 of this AD. BILLING CODE 4910–13–U DATES: Comments must be received by Note 3: The service bulletins listed in November 5, 2001. Table 1 of this AD recommend that operators ADDRESSES: Submit comments in submit a report of their inspection findings DEPARTMENT OF TRANSPORTATION triplicate to the Federal Aviation to the manufacturer. Although operators may Administration (FAA), Transport submit such a report, this AD does not Federal Aviation Administration require it. Airplane Directorate, ANM–114, Attention: Rules Docket No. 2001–NM– Alternative Methods of Compliance 14 CFR Part 39 224–AD, 1601 Lind Avenue, SW., (c) An alternative method of compliance or Renton, Washington 98055–4056. adjustment of the compliance time that [Docket No. 2001–NM–224–AD] Comments may be inspected at this provides an acceptable level of safety may be location between 9 a.m. and 3 p.m., used if approved by the Manager, RIN 2120–AA64 Monday through Friday, except Federal International Branch, ANM–116, Transport holidays. Comments may be submitted Airplane Directorate, FAA. Operators shall Airworthiness Directives; BAE via fax to (425) 227–1232. Comments submit their requests through an appropriate Systems (Operations) Limited Model may also be sent via the Internet using FAA Principal Maintenance Inspector, who BAe 146 and Avro 146–RJ Series the following address: 9-anm- may add comments and then send it to the Airplanes Manager, International Branch, ANM–116. [email protected]. Comments sent Note 4: Information concerning the AGENCY: Federal Aviation via fax or the Internet must contain existence of approved alternative methods of Administration, DOT. ‘‘Docket No. 2001–NM–224–AD’’ in the subject line and need not be submitted compliance with this AD, if any, may be ACTION: Notice of proposed rulemaking in triplicate. Comments sent via the obtained from the International Branch, (NPRM). ANM–116. Internet as attached electronic files must
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be formatted in Microsoft Word 97 for Availability of NPRMs determined that AD action is necessary Windows or ASCII text. Any person may obtain a copy of this for products of this type design that are The service information referenced in NPRM by submitting a request to the certificated for operation in the United the proposed rule may be obtained from FAA, Transport Airplane Directorate, States. British Aerospace Regional Aircraft ANM–114, Attention: Rules Docket Explanation of Requirements of American Support, 13850 Mclearen 2001–NM–224–AD, 1601 Lind Avenue, Proposed Rule Road, Herndon, Virginia 20171. This SW., Renton, Washington 98055–4056. information may be examined at the Since an unsafe condition has been FAA, Transport Airplane Directorate, Discussion identified that is likely to exist or 1601 Lind Avenue, SW., Renton, The Civil Aviation Authority (CAA), develop on other airplanes of the same Washington. which is the airworthiness authority for type design registered in the United States, the proposed AD would require FOR FURTHER INFORMATION CONTACT: the United Kingdom, notified the FAA that an unsafe condition may exist on accomplishment of the actions specified Todd Thompson, Aerospace Engineer, in the service bulletin described International Branch, ANM–116, FAA, certain BAE Systems (Operations) Limited Model BAe 146 and Avro 146– previously, except as discussed in the Transport Airplane Directorate, 1601 section titled ‘‘Difference Between Lind Avenue, SW., Renton, Washington RJ series airplanes. The CAA advises that, during routine maintenance, Proposed AD and Service Bulletin.’’ 98055–4056; telephone (425) 227–1175; The service bulletin recommends that fax (425) 227–1149. corrosion was detected at various locations within the flap structure and operators submit reports of inspection SUPPLEMENTARY INFORMATION: machined ribs. Additional corrosion in results to the manufacturer. While ADs Comments Invited this location has since been identified do not typically require a report, the through specific inspections. Corrosion inspection results will enable the Interested persons are invited to manufacturer to determine the participate in the making of the in the flap structure and machined ribs, if not corrected, could result in reduced prevalence of the corrosion in the proposed rule by submitting such structural integrity of the airplane. affected fleet. Therefore, Note 3 has written data, views, or arguments as been included in this proposed AD to they may desire. Communications shall Explanation of Relevant Service advise operators accordingly. identify the Rules Docket number and Information be submitted in triplicate to the address Difference Between Proposed AD and The manufacturer has issued BAE Service Bulletin specified above. All communications Systems (Operations) Limited received on or before the closing date Inspection Service Bulletin ISB.57–066, Operators should note that, although for comments, specified above, will be dated May 15, 2001, which describes the service bulletin specifies that the considered before taking action on the procedures for a one-time detailed manufacturer may be contacted for proposed rule. The proposals contained visual inspection to detect corrosion of disposition of certain repair conditions, in this action may be changed in light the flap structure and machined ribs. this proposal would require the repair of of the comments received. Corrective actions for corrosion those conditions to be accomplished per Submit comments using the following specified by the service bulletin a method approved by either the FAA, format: include, among other things, repair of or the CAA (or its delegated agent). In • Organize comments issue-by-issue. corrosion by blending to specified light of the type of repair that would be For example, discuss a request to limits, a follow-up liquid penetrant required to address the identified unsafe change the compliance time and a inspection of the blended area to detect condition, and in consonance with request to change the service bulletin any remaining corrosion, and a single existing bilateral airworthiness reference as two separate issues. repeated detailed visual inspection. For agreements, the FAA has determined • For each issue, state what specific all airplanes, the service bulletin that, for this proposed AD, a repair change to the proposed AD is being describes procedures for reprotection of approved by either the FAA or the CAA requested. the rib boss bores. Accomplishment of would be acceptable for compliance • Include justification (e.g., reasons or the actions specified in the service with this proposed AD. data) for each request. bulletin is intended to adequately Cost Impact Comments are specifically invited on address the identified unsafe condition. the overall regulatory, economic, The CAA classified this service bulletin The FAA estimates that 60 airplanes environmental, and energy aspects of as mandatory and issued British of U.S. registry would be affected by this the proposed rule. All comments airworthiness directive 002–05–2001 to proposed AD, that it would take submitted will be available, both before ensure the continued airworthiness of approximately 160 work hours per and after the closing date for comments, these airplanes in the United Kingdom. airplane (including access, testing, and in the Rules Docket for examination by close-up) to accomplish the proposed interested persons. A report FAA’s Conclusions inspection, and that the average labor summarizing each FAA-public contact These airplane models are rate is $60 per work hour. Based on concerned with the substance of this manufactured in the United Kingdom these figures, the cost impact of the proposal will be filed in the Rules and are type certificated for operation in proposed AD on U.S. operators is Docket. the United States under the provisions estimated to be $576,000, or $9,600 per Commenters wishing the FAA to of section 21.29 of the Federal Aviation airplane. acknowledge receipt of their comments Regulations (14 CFR 21.29) and the The cost impact figure discussed submitted in response to this action applicable bilateral airworthiness above is based on assumptions that no must submit a self-addressed, stamped agreement. Pursuant to this bilateral operator has yet accomplished any of postcard on which the following airworthiness agreement, the CAA has the proposed requirements of this AD statement is made: ‘‘Comments to kept the FAA informed of the situation action, and that no operator would Docket 2001–NM–224–AD.’’ The described above. The FAA has accomplish those actions in the future if postcard will be date stamped and examined the findings of the CAA, this proposed AD were not adopted. The returned to the commenter. reviewed all available information, and cost impact figures discussed in AD
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rulemaking actions represent only the Note 1: This AD applies to each airplane Spares time necessary to perform the specific identified in the preceding applicability (c) As of the effective date of this AD, no actions actually required by the AD. provision, regardless of whether it has been person may install a flap on any affected These figures typically do not include otherwise modified, altered, or repaired in airplane, unless the inspection and the area subject to the requirements of this applicable corrective actions have been incidental costs, such as the time AD. For airplanes that have been modified, required to gain access and close up, accomplished in accordance with the altered, or repaired so that the performance requirements of this AD. planning time, or time necessitated by of the requirements of this AD is affected, the other administrative actions. owner/operator must request approval for an Alternative Methods of Compliance alternative method of compliance in Regulatory Impact (d) An alternative method of compliance or accordance with paragraph (d) of this AD. adjustment of the compliance time that The regulations proposed herein The request should include an assessment of provides an acceptable level of safety may be would not have a substantial direct the effect of the modification, alteration, or used if approved by the Manager, effect on the States, on the relationship repair on the unsafe condition addressed by International Branch, ANM–116. Operators this AD; and, if the unsafe condition has not between the national Government and shall submit their requests through an been eliminated, the request should include appropriate FAA Principal Maintenance the States, or on the distribution of specific proposed actions to address it. power and responsibilities among the Inspector, who may add comments and then Compliance: Required as indicated, unless send it to the Manager, International Branch, various levels of government. Therefore, accomplished previously. ANM–116. it is determined that this proposal To detect and correct corrosion in the flap Note 4: Information concerning the would not have federalism implications structure and machined ribs, which could existence of approved alternative methods of under Executive Order 13132. result in reduced structural integrity of the compliance with this AD, if any, may be For the reasons discussed above, I airplane, accomplish the following: obtained from the International Branch, certify that this proposed regulation (1) Inspection ANM–116. is not a ‘‘significant regulatory action’’ (a) Within 6 years since the date of Special Flight Permits under Executive Order 12866; (2) is not manufacture of the airplane, or within 2 a ‘‘significant rule’’ under the DOT years after the effective date of this AD, (e) Special flight permits may be issued in Regulatory Policies and Procedures (44 whichever occurs later: Perform a detailed accordance with sections 21.197 and 21.199 FR 11034, February 26, 1979); and (3) if visual inspection to detect corrosion of the of the Federal Aviation Regulations (14 CFR promulgated, will not have a significant flap structure and machined ribs, in 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD economic impact, positive or negative, accordance with BAE Systems (Operations) Limited Inspection Service Bulletin ISB.57– can be accomplished. on a substantial number of small entities Note 5: The subject of this AD is addressed under the criteria of the Regulatory 066, dated May 15, 2001. (1) If no corrosion is detected: Prior to in British airworthiness directive 002–05– Flexibility Act. A copy of the draft further flight, reprotect the boss bores in 2001. regulatory evaluation prepared for this accordance with the service bulletin. action is contained in the Rules Docket. (2) If any corrosion is detected: Except as Issued in Renton, Washington, on A copy of it may be obtained by required by paragraph (b) of this AD, September 28, 2001. contacting the Rules Docket at the accomplish the actions required by Charles Huber, location provided under the caption paragraphs (a)(2)(i) and (a)(2)(ii) of this AD. Acting Manager, Transport Airplane ADDRESSES. (i) Prior to further flight: Perform corrective Directorate, Aircraft Certification Service. actions and reprotect the boss bores in [FR Doc. 01–24873 Filed 10–3–01; 8:45 am] List of Subjects in 14 CFR Part 39 accordance with the service bulletin. (ii) Within 3 years but not sooner than 2 BILLING CODE 4910–13–U Air transportation, Aircraft, Aviation years following the reprotection specified by safety, Safety. paragraph (a)(2)(i) of this AD: Repeat the DEPARTMENT OF TRANSPORTATION The Proposed Amendment detailed visual inspection. Note 2: For the purposes of this AD, a Federal Aviation Administration Accordingly, pursuant to the detailed visual inspection is defined as: ‘‘An authority delegated to me by the intensive visual examination of a specific Administrator, the Federal Aviation structural area, system, installation, or 14 CFR Part 39 Administration proposes to amend part assembly to detect damage, failure, or [Docket No. 2001–NM–205–AD] 39 of the Federal Aviation Regulations irregularity. Available lighting is normally (14 CFR part 39) as follows: supplemented with a direct source of good RIN 2120–AA64 lighting at intensity deemed appropriate by PART 39—AIRWORTHINESS the inspector. Inspection aids such as mirror, Airworthiness Directives; Airbus Model DIRECTIVES magnifying lenses, etc., may be used. Surface A300 B2 and A300 B4 Series Airplanes; cleaning and elaborate access procedures Model A300 F4–605R Airplanes; Model 1. The authority citation for part 39 may be required.’’ A300 B4–600 and A300 B4–600R Series continues to read as follows: (b) If any inspection required by this AD Airplanes; and Model A310 Series Authority: 49 U.S.C. 106(g), 40113, 44701. reveals any corrosion or other discrepancy Airplanes for which the service bulletin specifies to § 39.13 [Amended] contact the manufacturer for appropriate AGENCY: Federal Aviation 2. Section 39.13 is amended by action: Prior to further flight, repair per a Administration, DOT. method approved by either the Manager, adding the following new airworthiness ACTION: Notice of proposed rulemaking International Branch, ANM–116, Transport directive: Airplane Directorate, FAA; or the Civil (NPRM). Aviation Authority (CAA) (or its delegated BAE Systems (Operations) Limited SUMMARY: This document proposes the (Formerly British Aerospace Regional agent). Aircraft): Docket 2001–NM–224–AD. adoption of a new airworthiness Note 3: BAE Systems (Operations) Limited directive (AD) that is applicable to Applicability: Model BAe 146 and Avro Inspection Service Bulletin ISB.57–066 146–RJ series airplanes, certificated in any recommends that operators submit a report of certain Airbus Model A300 B2 and category; except those modified in their inspection findings to the manufacturer. A300 B4 series airplanes; certain Model accordance with BAE Systems Modification Although operators may submit such a A300 F4–605R airplanes and Model HCM01694F. report, this AD does not require it. A300 B4–600 and A300 B4–600R series
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