34528 Federal Register / Vol. 64, No. 123 / Monday, June 28, 1999 / Rules and Regulations (2) Remove the temporary revision titled Federal Aviation Regulations (14 CFR 21.197 (k) This amendment becomes effective on ``Electrical Cables,'' dated March 7, 1996, and 21.199) to operate the airplane to a August 17, 1999. from the Pilot Operating Handbook (POH) location where the requirements of this AD Issued in Kansas City, Missouri, on June and insert a temporary revision titled can be accomplished. 18, 1999. ``Electrical Cables'' Rev. 1, dated July 12, (g) An alternative method of compliance or Michael Gallagher, 1996. Accomplish this action in accordance adjustment of the compliance times that with the Accomplishment Instructions provides an equivalent level of safety may be Manager, Small Airplane Directorate, Aircraft section in Pilatus PC XII SB No. 24±002, Rev. approved by the Manager, Small Airplane Certification Service. No. 1, dated September 20, 1996. Directorate, 1201 Walnut, suite 900, Kansas [FR Doc. 99±16277 Filed 6±25±99; 8:45 am] (b) For airplanes incorporating City, Missouri 64106. BILLING CODE 4910±13±U manufacturer serial numbers 101 through (1) The request shall be forwarded through 147, within the next 50 hours TIS after the an appropriate FAA Maintenance Inspector, effective date of this AD, replace the placard who may add comments and then send it to DEPARTMENT OF TRANSPORTATION installed near the standby magnetic compass the Manager, Small Airplane Directorate. that is required by AD 98±13±08, with a new (2) Alternative methods of compliance Federal Aviation Administration placard that incorporates the following words approved in accordance with AD 98±13±08 (using at least 1¤8inch letters): are not considered approved as alternative 14 CFR Part 39 STANDBY COMPASS FOR CORRECT methods of compliance for this AD. READING SWITCH: AVIONICS ON NAV & Note 2: Information concerning the [Docket No. 98±CE±120±AD; Amendment INSTRUMENT LIGHTING AS REQUIRED existence of approved alternative methods of 39±11210; AD 99±14±02] WINDSHIELD DE±ICE LH & RH OFF compliance with this AD, if any, may be AUXILIARY HEATING SYSTEMS OFF obtained from the Small Airplane RIN 2120±AA64 AUXILIARY COOLING SYSTEM OFF Directorate. (h) Questions or technical information Airworthiness Directives; LET This placard is referenced in Pilatus Aeronautical Works Model L33 SOLO Service Bulletin No. 34±006, dated related to the service information referenced September 3, 1998. in this AD should be directed to Pilatus Sailplanes (c) For airplanes incorporating Aircraft Ltd., Customer Liaison Manager, AGENCY: Federal Aviation manufacturer serial numbers 148 through CH±6370 Stans, Switzerland; telephone: +41 230, within the next 50 hours TIS after the 41 6196 233; facsimile: +41 41 6103 351. This Administration, DOT. effective date of this AD, install a placard service information may be examined at the ACTION: Final rule. with the following words (using at least 1/8- FAA, Central Region, Office of the Regional inch letters) near the standby magnetic Counsel, Room 1558, 601 E. 12th Street, SUMMARY: This amendment adopts a compass: Kansas City, Missouri 64106. new airworthiness directive (AD) that (i) The replacement and modification of STANDBY COMPASS FOR CORRECT applies to certain LET Aeronautical the starter generator cable and the generator READING SWITCH: AVIONICS ON NAV & 2 power return cable and the POH revision Works (LET) Model L33 SOLO INSTRUMENT LIGHTING AS REQUIRED replacement required by this AD shall be sailplanes. This AD requires replacing WINDSHIELD DE±ICE LH & RH OFF done in accordance with Pilatus PC XII the main wing attachment and wing AUXILIARY HEATING SYSTEMS OFF Service Bulletin No. 24±002, Rev. No. 1, spar root pins and modifying the AUXILIARY COOLING SYSTEM OFF dated September 20, 1996. The Standby corresponding area. This AD is the This placard is referenced in Pilatus Magnetic Compass Check Swing procedures result of mandatory continuing Service Bulletin No. 34±006, dated required by this AD shall be done in airworthiness information (MCAI) September 3, 1998. accordance with Pilatus PC±12 Maintenance issued by the airworthiness authority for (d) For all affected manufacturer serial Manual Temporary Revision No. 34±03, number airplanes, within the next 50 hours dated July 16, 1998, as specified in Pilatus the Czech Republic. The actions TIS after the effective date of this AD, Service Bulletin No. 34±006, dated specified by this AD are intended to accomplish the following: September 3, 1998. prevent structural failure of the wing (1) Insert Pilatus Report No. 01973±001, (1) The incorporation by reference of attachments caused by the current Temporary Revision, Standby Compass, Pilatus PC XII Service Bulletin No. 24±002, design configuration, which could result dated July 16, 1998, into the Pilot Operating Rev. No. 1, dated September 20, 1996, was in the wing separating from the Handbook (POH). previously approved by the Director of the (2) Accomplish the improved Standby sailplane with consequent loss of Federal Register in accordance with 5 U.S.C.. control. Magnetic Compass Check Swing procedures 552(a) and 1CFR part 51, as of July 31, 1998 in accordance with Pilatus PC±12 (63 FR 32975, July 17, 1998). DATES: Effective August 17, 1999. Maintenance Manual Temporary Revision (2) The incorporation by reference of The incorporation by reference of No. 34±03, dated July 16, 1998, as specified Pilatus PC±12 Maintenance Manual certain publications listed in the in Pilatus Service Bulletin No. 34±006, dated Temporary Revision No. 34±03, dated July regulations is approved by the Director September 3, 1998. 16, 1998, as specified in Pilatus Service (3) Insert Pilatus PC±12 Maintenance of the Federal Register as of August 17, Bulletin No. 34±006, dated September 3, 1999. Manual Temporary Revision No. 34±03, 1998, was approved by the Director of the dated July 16, 1998, in chapter 34±21±00 Federal Register in accordance with 5 U.S.C. ADDRESSES: Service information that facing page 502 of the maintenance manual. 552(a) and 1 CFR part 51. applies to this AD may be obtained from Disregard existing pages 502 through 506. (3) Copies may be obtained from Pilatus LET Aeronautical Works, 686 04 (e) Accomplishment of the POH revision, Aircraft Ltd., Customer Liaison Manager, Kunovice, Czech Republic; telephone: maintenance manual insertions, and placard CH±6370 Stans, Switzerland. Copies may be fabrication and installation, as required by +420 632 51 11 11; facsimile: +420 632 inspected at the FAA, Central Region, Office 613 52. This information may also be paragraphs (a)(2), (b), (c), (d)(1), and (d)(3) of of the Regional Counsel, Room 1558, 601 E. this AD, may be performed by the owner/ examined at the Federal Aviation 12th Street, Kansas City, Missouri, or at the operator holding at least a private pilot Office of the Federal Register, 800 North Administration (FAA), Central Region, certificate as authorized by § 43.7 of the Capitol Street, NW, suite 700, Washington, Office of the Regional Counsel, Federal Aviation Regulations (14 CFR 43.7), DC. Attention: Rules Docket No. 98±CE± and must be entered into the aircraft records 120±AD, Room 1558, 601 E. 12th Street, showing compliance with this AD in Note 3: The subject of this AD is addressed accordance with § 43.9 of the Federal in Swiss AD HB±98±426, dated November 6, Kansas City, Missouri 64106; or at the Aviation Regulations (14 CFR 43.9). 1998. Office of the Federal Register, 800 North (f) Special flight permits may be issued in (j) This amendment supersedes AD 98±13± Capitol Street, NW, suite 700, accordance with §§ 21.197 and 21.199 of the 08, Amendment 39±10596. Washington, DC. VerDate 18-JUN-99 10:47 Jun 25, 1999 Jkt 183247 PO 00000 Frm 00018 Fmt 4700 Sfmt 4700 E:\FR\FM\A28JN0.043 pfrm01 PsN: 28JNR1 Federal Register / Vol. 64, No. 123 / Monday, June 28, 1999 / Rules and Regulations 34529 FOR FURTHER INFORMATION CONTACT: Mr. national government and the States, or requirements of this AD is affected, the Mike Kiesov, Aerospace Engineer, FAA, on the distribution of power and owner/operator must request approval for an Small Airplane Directorate, 1201 responsibilities among the various alternative method of compliance in accordance with paragraph (d) of this AD. Walnut, suite 900, Kansas City, Missouri levels of government. Therefore, in The request should include an assessment of 64106; telephone: (816) 426±6934; accordance with Executive Order 12612, the effect of the modification, alteration, or facsimile: (816) 426±2169. it is determined that this final rule does repair on the unsafe condition addressed by SUPPLEMENTARY INFORMATION: not have sufficient federalism this AD; and, if the unsafe condition has not implications to warrant the preparation been eliminated, the request should include Events Leading to the Issuance of This of a Federalism Assessment. specific proposed actions to address it. AD For the reasons discussed above, I Compliance: Required as indicated in the A proposal to amend part 39 of the certify that this action (1) is not a body of this AD, unless already Federal Aviation Regulations (14 CFR ``significant regulatory action'' under accomplished. part 39) to include an AD that would Executive Order 12866; (2) is not a To prevent structural failure of the wing attachments caused by the current design apply to certain LET Model L33 SOLO ``significant rule'' under DOT configuration, which could result in the wing sailplanes was published in the Federal Regulatory Policies and Procedures (44 separating from the sailplane with Register as a notice of proposed FR 11034, February 26, 1979); and (3) consequent loss of control, accomplish the rulemaking (NPRM) on April 14, 1999 will not have a significant economic following: (64 FR 18384). The NPRM proposed to impact, positive or negative, on a (a) Upon accumulating 1,500 hours time- require replacing the main wing substantial number of small entities in-service (TIS) on each wing attachment or attachment and wing spar root pins and under the criteria of the Regulatory within the next 100 hours TIS after the effective date of this AD, whichever occurs modifying the corresponding area.