Federal Register / Vol. 60, No. 32 / Thursday, February 16, 1995 / Rules and Regulations 8929 send it to the Manager, Standardization of the Federal Register as of March 20, The FAA has determined that this Branch, ANM–113. 1995. addition will neither increase the Note 2: Information concerning the ADDRESSES: The service information economic burden on any operator nor existence of approved alternative methods of referenced in this AD may be obtained increase the scope of the AD. compliance with this AD, if any, may be The FAA estimates that 29 airplanes obtained from the Standardization Branch, from British Aerospace Regional Aircraft Ltd., Engineering Support of U.S. registry will be affected by this ANM–113. AD, that it will take approximately 3 Manager, Military Business Unit, (c) Special flight permits may be issued in work hours per airplane, per inspection Chadderton Works, Greengate, accordance with sections 21.197 and 21.199 cycle, to accomplish the required Middleton, Manchester M24 1SA, of the Federal Aviation Regulations (14 CFR actions, and that the average labor rate 21.197 and 21.199) to operate the airplane to England. This information may be is $60 per work hour. Based on these a location where the requirements of this AD examined at the Federal Aviation figures, the total cost impact of the AD can be accomplished. Administration (FAA), Transport on U.S. operators is estimated to be (d) The inspection and replacement shall Airplane Directorate, Rules Docket, $5,220, or $180 per airplane, per be done in accordance with Fokker Service 1601 Lind Avenue, SW., Renton, Bulletin SBF100–57–018, dated September inspection cycle. 23, 1993. This incorporation by reference was Washington; or at the Office of the The total cost impact figure discussed approved by the Director of the Federal Federal Register, 800 North Capitol above is based on assumptions that no Register in accordance with 5 U.S.C. 552(a) Street, NW., suite 700, Washington, DC. operator has yet accomplished any of and 1 CFR part 51. Copies may be obtained FOR FURTHER INFORMATION CONTACT: the requirements of this AD action, and from Fokker Aircraft USA, Inc., 1199 North William Schroeder, Aerospace Engineer, that no operator would accomplish Fairfax Street, Alexandria, Virginia 22314. Standardization Branch, ANM–113, those actions in the future if this AD Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind FAA, Transport Airplane Directorate, were not adopted. Avenue, SW., Renton, Washington; or at the 1601 Lind Avenue, SW., Renton, The regulations adopted herein will Office of the Federal Register, 800 North Washington 98055–4056; telephone not have substantial direct effects on the Capitol Street, NW., suite 700, Washington, (206) 227–2148; fax (206) 227–1320. States, on the relationship between the national government and the States, or DC. SUPPLEMENTARY INFORMATION: A (e) This amendment becomes effective on proposal to amend part 39 of the Federal on the distribution of power and March 20, 1995. Aviation Regulations (14 CFR part 39) to responsibilities among the various Issued in Renton, Washington, on February levels of government. Therefore, in include an airworthiness directive (AD) 3, 1995. accordance with Executive Order 12612, that is applicable to all British S.R. Miller, it is determined that this final rule does Aerospace Model Viscount 744, 745D, not have sufficient federalism Acting Manager, Transport Airplane and 810 series airplanes was published implications to warrant the preparation Directorate, Aircraft Certification Service. in the Federal Register on November 14, of a Federalism Assessment. [FR Doc. 95–3247 Filed 2–15–95; 8:45 am] 1994 (59 FR 56435). That action BILLING CODE 4910±13±U For the reasons discussed above, I proposed to require initial and certify that this action (1) is not a repetitive magnetic particle inspections ‘‘significant regulatory action’’ under to detect cracking of the pivot pin that 14 CFR Part 39 Executive Order 12866; (2) is not a attaches the nose wheel steering ‘‘significant rule’’ under DOT [Docket No. 94±NM±109±AD; Amendment actuators to the steering head assembly, Regulatory Policies and Procedures (44 39±9141; AD 95±03±04] and replacement of cracked pins. FR 11034, February 26, 1979); and (3) Interested persons have been afforded Airworthiness Directives; British will not have a significant economic an opportunity to participate in the Aerospace Model Viscount 744, 745D, impact, positive or negative, on a making of this amendment. No and 810 Series Airplanes substantial number of small entities comments were submitted in response under the criteria of the Regulatory AGENCY: Federal Aviation to the proposal or the FAA’s Flexibility Act. A final evaluation has Administration, DOT. determination of the cost to the public. been prepared for this action and it is ACTION: Final rule. As a result of recent communications contained in the Rules Docket. A copy with the Air Transport Association of it may be obtained from the Rules SUMMARY: This amendment adopts a (ATA) of America, the FAA has learned Docket at the location provided under new airworthiness directive (AD), that, in general, some operators may the caption ADDRESSES. applicable to all British Aerospace misunderstand the legal effect of AD’s Model Viscount 744, 745D, and 810 on airplanes that are identified in the List of Subjects in 14 CFR Part 39 series airplanes, that requires repetitive applicability provision of the AD, but Air transportation, Aircraft, Aviation inspections to detect fatigue cracking in that have been altered or repaired in the safety, Incorporation by reference, the pivot pins that attach both nose area addressed by the AD. The FAA Safety. wheel steering actuators to the steering points out that all airplanes identified in Adoption of the Amendment head assembly, and replacement of the applicability provision of an AD are cracked pins. This amendment is legally subject to the AD. If an airplane Accordingly, pursuant to the prompted by a reported failure of a has been altered or repaired in the authority delegated to me by the pivot pin due to fatigue cracking. The affected area in such a way as to affect Administrator, the Federal Aviation actions specified by this AD are compliance with the AD, the owner or Administration amends part 39 of the intended to prevent failure of the pivot operator is required to obtain FAA Federal Aviation Regulations (14 CFR pin, which could result in the loss of approval for an alternative method of part 39) as follows: nose wheel steering capability. compliance with the AD, in accordance PART 39ÐAIRWORTHINESS DATES: Effective March 20, 1995. with the paragraph of each AD that DIRECTIVES The incorporation by reference of provides for such approvals. A note has certain publications listed in the been added to this final rule to clarify 1. The authority citation for part 39 regulations is approved by the Director this requirement. continues to read as follows: 8930 Federal Register / Vol. 60, No. 32 / Thursday, February 16, 1995 / Rules and Regulations

Authority: 49 U.S.C. App. 1354(a), 1421 Transport Airplane Directorate. Operators the inspection results to date, which and 1423; 49 U.S.C. 106(g); and 14 CFR shall submit their requests through an indicate that the crack occurrence rate is 11.89. appropriate FAA Principal Maintenance higher than initially projected. The Inspector, who may add comments and then actions specified by this AD are § 39.13Ð[Amended] send it to the Manager, Standardization 2. Section 39.13 is amended by Branch, ANM–113. intended to prevent an uncontained HPCR stage 3–9 spool failure, which adding the following new airworthiness Note 2: Information concerning the directive: existence of approved alternative methods of could result in damage to the aircraft. compliance with this AD, if any, may be DATES: Effective March 20, 1995. 95–03–04 British Aerospace Regional obtained from the Standardization Branch, The incorporation by reference of Aircraft Limited (Formerly British ANM–113. certain publications listed in the Aerospace Commercial Aircraft Limited, Vickers-Armstrongs Aircraft Limited): (d) Special flight permits may be issued in regulations is approved by the Director Amendment 39–9141. Docket 94–NM– accordance with sections 21.197 and 21.199 of the Federal Register as of March 20, 109–AD. of the Federal Aviation Regulations (14 CFR 1995. 21.197 and 21.199) to operate the airplane to Applicability: All Model Viscount 744, ADDRESSES: The service information a location where the requirements of this AD 745D, and 810 airplanes, certificated in any referenced in this AD may be obtained can be accomplished. category. (e) The inspections and replacement shall from General Electric Aircraft Engines, Note 1: This AD applies to each airplane be done in accordance with Viscount PTL CF6 Distribution Clerk, Room 132, 111 identified in the preceding applicability 334, Issue 2, dated July 8, 1992; or Viscount Merchant Street, Cincinnati, OH 45246. provision, regardless of whether it has been PTL 205, Issue 2, dated July 8, 1992; as This information may be examined at modified, altered, or repaired in the area applicable. This incorporation by reference the Federal Aviation Administration subject to the requirements of this AD. For was approved by the Director of the Federal (FAA), New England Region, Office of airplanes that have been modified, altered, or Register in accordance with 5 U.S.C. 552(a) the Assistant Chief Counsel, 12 New repaired so that the performance of the and 1 CFR part 51. Copies may be obtained requirements of this AD is affected, the England Executive Park, Burlington, MA from British Aerospace Regional Aircraft 01803–5299; or at the Office of the owner/operator must use the authority Ltd., Engineering Support Manager, Military provided in paragraph (c) to request approval Business Unit, Chadderton Works, Greengate, Federal Register, 800 North Capitol from the FAA. This approval may address Middleton, Manchester M24 1SA, England. Street, NW., suite 700, Washington, DC. either no action, if the current configuration Copies may be inspected at the FAA, FOR FURTHER INFORMATION CONTACT: eliminates the unsafe condition; or different Transport Airplane Directorate, 1601 Lind Robert J. Ganley, Aerospace Engineer, actions necessary to address the unsafe Avenue, SW., Renton, Washington; or at the condition described in this AD. Such a Engine Certification Office, FAA, Engine Office of the Federal Register, 800 North request should include an assessment of the and Propeller Directorate, 12 New Capitol Street, NW., suite 700, Washington, effect of the changed configuration on the England Executive Park, Burlington, MA DC. unsafe condition addressed by this AD. In no 01803–5299; telephone (617) 238–7138; (f) This amendment becomes effective on case does the presence of any modification, March 20, 1995. fax (617) 238–7199. alteration, or repair remove any airplane from SUPPLEMENTARY INFORMATION: A the applicability of this AD. Issued in Renton, Washington, on February 3, 1995. proposal to amend part 39 of the Federal Compliance: Required as indicated, unless Aviation Regulations (14 CFR part 39) accomplished previously. S.R. Miller, by superseding airworthiness directive To prevent loss of nose wheel steering Acting Manager, Transport Airplane capability due to failure of the pivot pin, Directorate, Aircraft Certification Service. (AD) 91–20–01, Amendment 39–8035 (56 FR 55230), which is applicable to accomplish the following: [FR Doc. 95–3245 Filed 2–15–95; 8:45 am] (a) Prior to the accumulation of 1,100 General Electric Company (GE) CF6–45/ BILLING CODE 4910±13±U landings after the effective date of this AD, –50/–80A series turbofan engines, was or within 14 months after the effective date published in the Federal Register on of this AD, whichever occurs first, perform a 14 CFR Part 39 May 3, 1994 (59 FR 22769). That action magnetic particle inspection to detect cracks proposed to retain the one-time of the nose wheel steering actuators [Docket No. 94±ANE±11; Amendment 39± ultrasonic and eddy current inspection connecting (pivot) pins, in accordance with 9138; AD 95±03±01] either Viscount Preliminary Technical Leaflet of the high pressure compressor rotor (HPCR) stage 3–9 spool for cracks as (PTL) 334, Issue 2, dated July 8, 1992 (for Airworthiness Directives; General required in the current AD, but would Model 744 and 745D series airplanes); or Electric Company CF6 Series Turbofan Viscount PTL 205, Issue 2, dated July 8, 1992 accelerate the inspection schedule, and Engines (for Model 810 series airplanes); as introduce a repetitive ultrasonic and applicable. Repeat this inspection thereafter AGENCY: Federal Aviation eddy current inspection requirement in at intervals not to exceed 1,100 landings or Administration, DOT. accordance with GE CF6–50 Service 14 months, whichever occurs first. (b) If any crack is found in a pivot pin ACTION: Final rule. Bulletin (SB) No. 72–1000, Revision 2, during any inspection required by this AD, dated September 9, 1993, and GE CF6– SUMMARY: replace the pivot pin in accordance with This amendment supersedes 80A SB No. 72–583, Revision 4, dated either Preliminary Technical Leaflet (PTL) an existing airworthiness directive (AD), September 15, 1993. 334, Issue 2, dated July 8, 1992 (for Model applicable to General Electric Company Interested persons have been afforded 744 and 745D series airplanes), or Viscount (GE) CF6–45/–50/–80A series turbofan an opportunity to participate in the PTL 205, Issue 2, dated July 8, 1992 (for engines, that currently requires a one- making of this amendment. Due Model 810 series airplanes). After time ultrasonic and eddy current consideration has been given to the replacement, repeat the inspection required inspection of the high pressure comments received. by paragraph (a) of this AD at intervals not compressor rotor (HPCR) stage 3–9 Two commenters support the rule as to exceed 1,100 landings or within 14 spool for cracks. This amendment proposed. months, whichever occurs first. (c) An alternative method of compliance or retains the inspection requirements of One commenter states that the adjustment of the compliance time that the current AD, but would accelerate the repetitive inspection interval of 3,500 provides an acceptable level of safety may be inspection schedule, and introduce a cycles in service (CIS) in compliance used if approved by the Manager, repetitive inspection requirement. This paragraph (b) of the proposed rule Standardization Branch, ANM–113, FAA, amendment is prompted by a review of should be replaced with 4,000 CIS in