Federal Register / Vol. 76, No. 87 / Thursday, May 5, 2011 / Rules and Regulations 25535 Docket Office (phone: 800–647–5527) is 54 with the part number re-marked as the consequent * * * [non-functioning] of Document Management Facility, U.S. R817370R1 are in compliance with this the RAT when needed. Department of Transportation, Docket AD. * * * * * Operations, M–30, West Building * * * * * Ground Floor, Room W12–140, 1200 Non-functioning of the RAT could result In the Federal Register of February 9, in insufficient electrical power to New Jersey Avenue, SE., Washington, 2011, on page 7102, in the second DC 20590. operate the fly-by-wire system, and column, paragraph (f) of AD 2011–04– subsequent loss of control of the FOR FURTHER INFORMATION CONTACT: 02 is corrected to read as follows: airplane. We are issuing this AD to Michael Schwetz, Aerospace Engineer, * * * * * require actions to correct the unsafe Boston Aircraft Certification Office, condition on these products. FAA, Engine and Propeller Directorate, Removing Blades P/N R817370–1 12 New England Executive Park, (f) Remove from service, blades P/N DATES: This AD becomes effective June Burlington, MA 01803; telephone (781) R817370–1, S/Ns FR2018, FR2103, 9, 2011. 238–7761; fax (781) 238–7170; e-mail: FR2108, FR2109, FR2111, FR2123, ADDRESSES: You may examine the AD [email protected]. FR2183, FR2187, FR2262, FR2276 docket on the Internet at http:// SUPPLEMENTARY INFORMATION: through FR2279, FR2398, FR2449 to www.regulations.gov or in person at the Airworthiness Directive 2011–04–02, FR2958 inclusive, FR20010710 to U.S. Department of Transportation, amendment 39–16602 (76 FR 7101, FR20010722 inclusive, and Docket Operations, M–30, West February 9, 2011), currently requires FR20010723RT to FR20020127RT Building Ground Floor, Room W12–140, removing from service, certain part inclusive, within 30 days after the 1200 New Jersey Avenue, SE., number and serial number propeller effective date of this AD. Washington, DC. blades for Hamilton Sundstrand * * * * * FOR FURTHER INFORMATION CONTACT: Tom Propellers Model 247F Propellers. Issued in Burlington, Massachusetts, on Rodriguez, Aerospace Engineer, As published, the propeller blade part April 29, 2011. number 817370–1 and ATR72–210 and International Branch, ANM–116, Peter A. White, ATR722–210E airplanes in the Transport Airplane Directorate, FAA, Acting Manager, Engine & Propeller 1601 Lind Avenue, SW., Renton, SUPPLEMENTARY INFORMATION, the Directorate, Aircraft Certification Service. Applicability, and the Compliance Washington 98057–3356; telephone sections are incorrect. [FR Doc. 2011–10898 Filed 5–4–11; 8:45 am] (425) 227–1137; fax (425) 227–1149. No other part of the preamble or BILLING CODE 4910–13–P SUPPLEMENTARY INFORMATION: regulatory information has been changed; therefore, only the changed Discussion DEPARTMENT OF TRANSPORTATION portion of the final rule is being We issued a notice of proposed published in the Federal Register. Federal Aviation Administration rulemaking (NPRM) to amend 14 CFR The effective date of this AD remains part 39 to include an AD that would March 16, 2011. 14 CFR Part 39 apply to the specified products. That Correction of Non-Regulatory Text NPRM was published in the Federal [Docket No. FAA–2010–1306; Directorate Register on January 5, 2011 (76 FR 480). In the Federal Register of February 9, Identifier 2010–NM–112–AD; Amendment 39–16682; AD 2011–10–01] That NPRM proposed to correct an 2011, AD 2011–04–02; Amendment 39– unsafe condition for the specified 16602 is corrected as follows: RIN 2120–AA64 products. The MCAI states: On page 7101 in the third column, on line 26, SUPPLEMENTARY INFORMATION, Airworthiness Directives; Dassault- A design review has revealed a potential change ‘‘817370–1’’ to ‘‘R817370–1’’. Aviation Model FALCON 7X Airplanes dormant failure of the Ram Air Turbine On page 7101 in the third column, on (RAT) heating system. If this failure occurs, it could lead to the freezing of the RAT line 33, SUPPLEMENTARY INFORMATION, AGENCY: Federal Aviation ‘‘ ’’ ‘‘ ’’ Administration (FAA), Department of mechanism [the potential consequence of change 817370–1 to R817370–1 . this heater being inoperative relates primarily Transportation (DOT). Correction of Regulatory Text to generator rotor/turbine assembly ACTION: Final rule. rotation—either the ability to rotate or to § 39.13 [Corrected] rotate at rated RPM for a given airspeed], and In the Federal Register of February 9, SUMMARY: We are adopting a new the consequent * * * [non-functioning] of 2011, on page 7102, in the second airworthiness directive (AD) for the the RAT when needed. column, paragraph (c) of AD 2011–04– products listed above. This AD results The purpose of this AD is to require a repetitive functional test of the RAT heater 02 is corrected to read as follows: from mandatory continuing airworthiness information (MCAI) * * *. * * * * * originated by an aviation authority of (c) This AD applies to Hamilton Non-functioning of the RAT could another country to identify and correct Sundstrand model 247F series result in insufficient electrical power to an unsafe condition on an aviation propellers with blades part number (P/ operate the fly-by-wire system, and product. The MCAI describes the unsafe N) R817370–1, serial numbers (S/Ns) subsequent loss of control of the condition as: FR2018, FR2103, FR2108, FR2109, airplane. The corrective action is FR2111, FR2123, FR2183, FR2187, A design review has revealed a potential repairing. You may obtain further FR2262, FR2276 through FR2279 dormant failure of the Ram Air Turbine information by examining the MCAI in inclusive, FR 2398, FR2449 to FR2958 (RAT) heating system. If this failure occurs, the AD docket. it could lead to the freezing of the RAT inclusive, FR20010710 to FR20010722 mechanism [the potential consequence of Comments inclusive, and FR20010723RT to this heater being inoperative relates primarily FR20020127RT inclusive, installed. to generator rotor/turbine assembly We gave the public the opportunity to Propeller blades reworked to Hamilton rotation—either the ability to rotate or to participate in developing this AD. We Sundstrand Service Bulletin 247F–61– rotate at rated RPM for a given airspeed], and considered the comment received. VerDate Mar<15>2010 16:41 May 04, 2011 Jkt 223001 PO 00000 Frm 00003 Fmt 4700 Sfmt 4700 E:\FR\FM\05MYR1.SGM 05MYR1 jlentini on DSKJ8SOYB1PROD with RULES 25536 Federal Register / Vol. 76, No. 87 / Thursday, May 5, 2011 / Rules and Regulations Request To Rephrase Summary and Authority for This Rulemaking List of Subjects in 14 CFR Part 39 Reason Sections of the NPRM Title 49 of the United States Code Air transportation, Aircraft, Aviation Hamilton Sundstrand requested that specifies the FAA’s authority to issue safety, Incorporation by reference, we rephrase the Summary and Reason rules on aviation safety. Subtitle I, Safety. sections of the NPRM regarding the section 106, describes the authority of Adoption of the Amendment potential for RAT non-deployment due the FAA Administrator. ‘‘Subtitle VII: Accordingly, under the authority to freezing of the RAT mechanism. The Aviation Programs,’’ describes in more commenter stated that the malfunction delegated to me by the Administrator, detail the scope of the Agency’s of the RAT heating system would not in the FAA amends 14 CFR part 39 as authority. itself prevent RAT deployment. The follows: commenter stated that the heating We are issuing this rulemaking under system consists of only the RAT heater the authority described in ‘‘Subtitle VII, PART 39—AIRWORTHINESS within the generator, and the potential Part A, Subpart III, Section 44701: DIRECTIVES General requirements.’’ Under that consequence of this heater being ■ inoperative relates primarily to freezing section, Congress charges the FAA with 1. The authority citation for part 39 of the gap between the rotor and stator promoting safe flight of civil aircraft in continues to read as follows: of the generator rotor/turbine assembly, air commerce by prescribing regulations Authority: 49 U.S.C. 106(g), 40113, 44701. leading to the RAT generator inability to for practices, methods, and procedures rotate or to rotate at rated rotations per the Administrator finds necessary for § 39.13 [Amended] minute (RPM) for a given airspeed. safety in air commerce. This regulation ■ 2. The FAA amends § 39.13 by adding We agree to rephrase the Summary is within the scope of that authority the following new AD: and Reason sections of the AD, as well because it addresses an unsafe condition as paragraph (e) of this AD, although the that is likely to exist or develop on 2011–10–01 Dassault-Aviation: end result of the heater issue results in products identified in this rulemaking Amendment 39–16682. Docket No. FAA–2010–1306; Directorate Identifier the identified insufficient electrical action. 2010–NM–112–AD. power to operate the fly-by-wire system, and subsequent loss of control of the Regulatory Findings Effective Date airplane. We determined that this AD will not (a) This airworthiness directive (AD) becomes effective June 9, 2011. Conclusion have federalism implications under Executive Order 13132. This AD will Affected ADs We reviewed the available data, not have a substantial direct effect on including the comment received, and (b) None. the States, on the relationship between determined that air safety and the the national government and the States, Applicability public interest require adopting the AD (c) This AD applies to Dassault-Aviation with the changes described previously. or on the distribution of power and responsibilities among the various Model FALCON 7X airplanes, certificated in We determined that these changes will any category, all serial numbers. not increase the economic burden on levels of government. any operator or increase the scope of the For the reasons discussed above, I Subject AD. certify this AD: (d) Air Transport Association (ATA) of America Code 24: Electrical power. Differences Between This AD and the 1. Is not a ‘‘significant regulatory MCAI or Service Information action’’ under Executive Order 12866; Reason 2.