82 FR 44357 - Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration Federal Register Volume 82, Issue 183 (September 22, 2017)
Federal Aviation Administration
Federal Register Volume 82, Issue 183 (September 22, 2017)
| Page Range | 44357-44359 | |
| FR Document | 2017-19962 |
[Federal Register Volume 82, Number 183 (Friday, September 22, 2017)] [Proposed Rules] [Pages 44357-44359] From the Federal Register Online [www.thefederalregister.org] [FR Doc No: 2017-19962] ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2017-0750; Product Identifier 2017-NE-24-AD] RIN 2120-AA64 Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed rulemaking (NPRM). ----------------------------------------------------------------------- SUMMARY: We propose to adopt a new airworthiness directive (AD) for certain Rolls-Royce Corporation (RRC) AE 3007A and AE 3007C model turbofan engines. This proposed AD was prompted by an updated analysis that lowered the life limit of fan wheels installed on the affected engines. This proposed AD would require removal of the affected fan wheel at new, lower life limits. We are proposing this AD to address the unsafe condition on these products. DATES: We must receive comments on this proposed AD by November 6, 2017. ADDRESSES: You may send comments, using the procedures found in 14 CFR 11.43 and 11.45, by any of the following methods:Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the instructions for submitting comments. Fax: 202-493-2251. Mail: U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room [[Page 44358]] W12-140, 1200 New Jersey Avenue SE., Washington, DC 20590. Hand Delivery: Deliver to Mail address above between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. For service information identified in this NPRM, contact Rolls- Royce Corporation, 450 South Meridian Street, Mail Code NB-02-05, Indianapolis, IN 46225; phone: 317-230-3774; email: royce.com">indy.pubs.services@rolls-royce.com; Internet: www.rolls-royce.com. You may view this service information at the FAA, Engine and Propeller Standards Branch, 1200 District Avenue, Burlington, MA. For information on the availability of this material at the FAA, call 781-238-7125. Examining the AD Docket You may examine the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2017- 0750; or in person at the Docket Management Facility between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this NPRM, the regulatory evaluation, any comments received, and other information. The street address for the Docket Office (phone: 800-647-5527) is in the ADDRESSES section. Comments will be available in the AD docket shortly after receipt. FOR FURTHER INFORMATION CONTACT: Kyri Zaroyiannis, Aerospace Engineer, Chicago ACO Branch, FAA, 2300 E. Devon Ave., Des Plaines, IL 60018; phone: 847-294-7836; fax: 847-294-7834; email: [email protected]. SUPPLEMENTARY INFORMATION: Comments Invited We invite you to send any written relevant data, views, or arguments about this proposal. Send your comments to an address listed under the ADDRESSES section. Include ``Docket No. FAA-2017-0750; Product Identifier 2017-NE-24-AD'' at the beginning of your comments. We specifically invite comments on the overall regulatory, economic, environmental, and energy aspects of this NPRM. We will consider all comments received by the closing date and may amend this NPRM because of those comments. We will post all comments we receive, without change, to http://www.regulations.gov, including any personal information you provide. We will also post a report summarizing each substantive verbal contact we receive about this NPRM. Discussion We learned from RRC that an updated stress analysis shows higher stress than previously calculated in the aft retainer flange scallop of the fan wheel, part number (P/N) 23061670. As a result, RRC reduced the published life of the affected fan wheel. We are proposing new life limits to remove this fan wheel from service before exceeding this new life limit. This condition, if not corrected, could result in failure of the fan wheel, uncontained release of the fan wheel, damage to the engine, and damage to the airplane. Related Service Information Under 1 CFR Part 51 We reviewed RRC Alert Service Bulletin (ASB) AE 3007A-A-72-424/ASB AE 3007C-A-72-327 (one document), Revision 1, dated April 20, 2017. The ASB provides updated life limits for the affected fan wheels. This service information is reasonably available because the interested parties have access to it through their normal course of business or by the means identified in the ADDRESSES section. FAA's Determination We are proposing this AD because we evaluated all the relevant information and determined the unsafe condition described previously is likely to exist or develop in other products of the same type design. Proposed AD Requirements This proposed AD would require replacement of the affected fan wheels at new, lower life limits. Costs of Compliance We estimate that this proposed AD affects 341 engines installed on airplanes of U.S. registry. We estimate the following costs to comply with this proposed AD: Estimated Costs ---------------------------------------------------------------------------------------------------------------- Cost per Cost on U.S. Action Labor cost Parts cost product operators ---------------------------------------------------------------------------------------------------------------- Replace fan wheel (P/N 23061670) 0 work-hours x $85 $12,357 (pro-rated $12,357 $4,213,737 at reduced life. per hour = $0. cost of part). ---------------------------------------------------------------------------------------------------------------- Authority for This Rulemaking Title 49 of the United States Code specifies the FAA's authority to issue rules on aviation safety. Subtitle I, section 106, describes the authority of the FAA Administrator. Subtitle VII: Aviation Programs, describes in more detail the scope of the Agency's authority. We are issuing this rulemaking under the authority described in Subtitle VII, Part A, Subpart III, Section 44701: ``General requirements.'' Under that section, Congress charges the FAA with promoting safe flight of civil aircraft in air commerce by prescribing regulations for practices, methods, and procedures the Administrator finds necessary for safety in air commerce. This regulation is within the scope of that authority because it addresses an unsafe condition that is likely to exist or develop on products identified in this rulemaking action. This AD is issued in accordance with authority delegated by the Executive Director, Aircraft Certification Service, as authorized by FAA Order 8000.51C. In accordance with that order, issuance of ADs is normally a function of the Compliance and Airworthiness Division, but during this transition period, the Executive Director has delegated the authority to issue ADs applicable to engines, propellers, and appliances to the Manager, Engine and Propeller Standards Branch, Policy and Innovation Division. Regulatory Findings We determined that this proposed AD would not have federalism implications under Executive Order 13132. This proposed AD would 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. For the reasons discussed above, I certify this proposed regulation: (1) Is not a ``significant regulatory action'' under Executive Order 12866, (2) Is not a ``significant rule'' under the DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979), [[Page 44359]] (3) Will not affect intrastate aviation in Alaska to the extent that it justifies making a regulatory distinction, and (4) 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. List of Subjects in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety. The Proposed Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA proposes to amend 14 CFR part 39 as follows: PART 39--AIRWORTHINESS DIRECTIVES 0 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. Sec. 39.13 [Amended] 0 2. The FAA amends Sec. 39.13 by adding the following new airworthiness directive (AD): Roll-Royce Corporation (Type Certificate previously held by Allison Engine Company): Docket No. FAA-2017-0750; Product Identifier 2017- NE-24-AD. (a) Comments Due Date We must receive comments by November 6, 2017. (b) Affected ADs None. (c) Applicability This AD applies to Rolls-Royce Corporation (RRC) AE 3007A, AE 3007A1, AE 3007A1/1, AE 3007A1/2, AE 3007A1/3, AE 3007A1P, AE 3007A1E, AE 3007A3, AE 3007C and 3007C1 turbofan engines with a fan wheel, part number (P/N) 23061670, installed. (d) Subject Joint Aircraft System Component (JASC) Code 7250, Turbine/ turboprop Engine, Turbine Section. (e) Unsafe Condition This AD was prompted by an updated analysis that lowered the life limit of fan wheels installed on the affected engines. We are issuing this AD to prevent failure of the fan wheel. The unsafe condition, if not corrected, could result in failure of the fan wheel, uncontained release of the fan wheel, damage to the engine, and damage to the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (1) For all AE 3007A, AE 3007A1, AE 3007A1/1, AE 3007A1/2, AE 3007A1/3, AE 3007A1P, AE 3007A1E, AE 3007A3, AE 3007C and 3007C1 engines with an installed fan wheel, P/N 23061670, after the effective date of this AD, remove the affected fan wheel before exceeding the new life limits identified in Planning Information, paragraph 1.F., of RRC ASB AE 3007A-A-72-424/ASB AE 3007C-A-72-327 (one document), Revision 1, dated April 20, 2017. (2) After the effective date of this AD, do not return to service any engine with a fan wheel, P/N 23061670, with a fan wheel life that exceeds the new life limits identified in Planning Information, paragraph 1.C., of RRC ASB AE 3007A-A-72-424/ASB AE 3007C-A-72-327 (one document), Revision 1, dated April 20, 2017. (g) Alternative Methods of Compliance (AMOCs) (1) The Manager, Chicago ACO Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending information directly to the manager of the Chicago ACO Branch, send it to the attention of the person identified in paragraph (i)(1) of this AD. (2) Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/certificate holding district office. (h) Related Information (1) For more information about this AD, contact Kyri Zaroyiannis, Aerospace Engineer, Chicago ACO Branch, FAA, 2300 E. Devon Ave., Des Plaines, IL 60018; phone: 847-294-7836; fax: 847- 294-7834; email: [email protected]. (2) For RRC service information identified in this AD, contact Rolls-Royce Corporation, 450 South Meridian Street, Mail Code NB-02- 05, Indianapolis, IN 46225; phone: 317-230-3774; email: royce.com">indy.pubs.services@rolls-royce.com; Internet: www.rolls-royce.com. (3) You may view this service information at FAA, Engine and Propeller Standards Branch, 1200 District Avenue, Burlington, MA 01803. For information on the availability of this material at the FAA, call 781-238-7125. Issued in Burlington, Massachusetts, on September 13, 2017. Robert J. Ganley, Manager, Engine and Propeller Standards Branch, Aircraft Certification Service. [FR Doc. 2017-19962 Filed 9-21-17; 8:45 am] BILLING CODE 4910-13-P
![Federal Register / Vol. 82, No. 183 / Friday, September 22, 2017 / Proposed Rules 44357
delegated the authority to issue ADs (c) Applicability ASB–M601D–72–50–00–0052, ASB–M601F–
applicable to engines, propellers, and This AD applies to certain GE Aviation 72–50–00–0035, ASB–M601T–72–50–00–
appliances to the Manager, Engine and Czech s.r.o. M601D–11, M601E–11, M601E– 0028, and ASB–M601Z–72–50–00–0038,
11A, M601E–11AS, M601E–11S, and M601F (single document), dated February 21, 2017,
Propeller Standards Branch, Policy and
turboprop engines, with power turbine (PT) can be obtained from GE Aviation Czech
Innovation Division. s.r.o, using the contact information in
rotor disks, part number (P/N) M601–3220.6
Regulatory Findings or P/N M601–3220.7, installed. paragraph (j)(4) of this proposed AD.
(4) For service information identified in
We determined that this proposed AD (d) Subject this proposed AD, contact GE Aviation Czech
would not have federalism implications Joint Aircraft System Component (JASC) s.r.o., Beranových 65, 199 02 Praha 9—
under Executive Order 13132. This Code 7250, Turbine Section. Letňany, Czech Republic; phone: +420–222–
proposed AD would not have a 538–111; fax: +420–222–538–222.
(e) Reason (5) You may view this service information
substantial direct effect on the States, on
This AD was prompted by a review that at the FAA, Engine and Propeller Standards
the relationship between the national
determined that PT rotors with certain disks, Branch, 1200 District Avenue, Burlington,
Government and the States, or on the P/N M601–3220.6 or P/N M601–3220.7, have MA. For information on the availability of
distribution of power and less overspeed margin than originally this material at the FAA, call 781–238–7125.
responsibilities among the various declared during product certification. We are
Issued in Burlington, Massachusetts, on
levels of government. issuing this AD to prevent failure of the PT
September 13, 2017.
For the reasons discussed above, I rotor, uncontained release of the PT rotor
disk, damage to the engine, and damage to Robert J. Ganley,
certify this proposed regulation:
the airplane. Manager, Engine and Propeller Standards
(1) Is not a ‘‘significant regulatory Branch, Aircraft Certification Service.
action’’ under Executive Order 12866, (f) Compliance
[FR Doc. 2017–19969 Filed 9–21–17; 8:45 am]
(2) Is not a ‘‘significant rule’’ under (1) Comply with this AD within the
BILLING CODE 4910–13–P
the DOT Regulatory Policies and compliance times specified, unless already
Procedures (44 FR 11034, February 26, done.
1979), (2) After the effective date of this AD,
remove the affected PT disk from service DEPARTMENT OF TRANSPORTATION
(3) Will not affect intrastate aviation during the next engine shop visit, or within
in Alaska to the extent that it justifies 5 years, whichever occurs first. Federal Aviation Administration
making a regulatory distinction, and
(4) Will not have a significant (g) Installation Prohibition
14 CFR Part 39
economic impact, positive or negative, After the effective date of this AD, do not
install an affected PT disk on any engine. [Docket No. FAA–2017–0750; Product
on a substantial number of small entities
Identifier 2017–NE–24–AD]
under the criteria of the Regulatory (h) Definition
Flexibility Act. For the purpose of this AD, an engine shop RIN 2120–AA64
List of Subjects in 14 CFR Part 39 visit is when an engine is overhauled or
rebuilt. Airworthiness Directives; Rolls-Royce
Air transportation, Aircraft, Aviation Corporation Turbofan Engines
(i) Alternative Methods of Compliance
safety, Incorporation by reference, (AMOCs) AGENCY: Federal Aviation
Safety. Administration (FAA), DOT.
(1) The Manager, ECO Branch, FAA, has
The Proposed Amendment the authority to approve AMOCs for this AD ACTION: Notice of proposed rulemaking
if requested using the procedures found in 14 (NPRM).
Accordingly, under the authority CFR 39.19. In accordance with 14 CFR 39.19,
delegated to me by the Administrator, send your request to your principal inspector SUMMARY: We propose to adopt a new
the FAA proposes to amend 14 CFR part or local Flight Standards District Office, as airworthiness directive (AD) for certain
39 as follows: appropriate. If sending information directly Rolls-Royce Corporation (RRC) AE
to the manager of the certification office,
send it to the attention of the person
3007A and AE 3007C model turbofan
PART 39—AIRWORTHINESS
identified in paragraph (j)(1) of this AD. You engines. This proposed AD was
DIRECTIVES
may email your request to: ANE-AD-AMOC@ prompted by an updated analysis that
■ 1. The authority citation for part 39 faa.gov. lowered the life limit of fan wheels
continues to read as follows: (2) Before using any approved AMOC, installed on the affected engines. This
notify your appropriate principal inspector, proposed AD would require removal of
Authority: 49 U.S.C. 106(g), 40113, 44701. or lacking a principal inspector, the manager the affected fan wheel at new, lower life
of the local flight standards district office/ limits. We are proposing this AD to
§ 39.13 [Amended] certificate holding district office.
address the unsafe condition on these
(j) Related Information products.
■ 2. The FAA amends § 39.13 by adding
(1) For more information about this AD, DATES: We must receive comments on
the following new airworthiness contact Robert Green, Aerospace Engineer,
directive (AD): this proposed AD by November 6, 2017.
ECO Branch, FAA, 1200 District Avenue,
GE Aviation Czech s.r.o. (Type Certificate Burlington, MA 01803; phone: 781–238– ADDRESSES: You may send comments,
previously held by WALTER Engines 7754; fax: 781–238–7199; email: using the procedures found in 14 CFR
a.s., Walter a.s., and MOTORLET a.s.): robert.green@faa.gov. 11.43 and 11.45, by any of the following
Docket No. FAA–2017–0658; Product (2) Refer to MCAI European Aviation methods:
Identifier 2017–NE–20–AD. Safety Agency AD 2017–0100, dated June 8, • Federal eRulemaking Portal: Go to
2017, for more information. You may http://www.regulations.gov. Follow the
(a) Comments Due Date examine the MCAI in the AD docket on the
Internet at http://www.regulations.gov by
instructions for submitting comments.
We must receive comments by November
6, 2017. searching for and locating it in Docket No. • Fax: 202–493–2251.
FAA–2017–0658. • Mail: U.S. Department of
(b) Affected ADs (3) GE Aviation Czech s.r.o. Alert Service Transportation, Docket Operations, M–
None. Bulletin No. ASB–M601E–72–50–00–0069, 30, West Building Ground Floor, Room
VerDate Sep<11>2014 16:19 Sep 21, 2017 Jkt 241001 PO 00000 Frm 00011 Fmt 4702 Sfmt 4702 E:\FR\FM\22SEP1.SGM 22SEP1](https://thefederalregister.org/doc/82_FR_44540/page/1.svg)
![Federal Register / Vol. 82, No. 183 / Friday, September 22, 2017 / Proposed Rules 44359
(3) Will not affect intrastate aviation 3007A1P, AE 3007A1E, AE 3007A3, AE DEPARTMENT OF TRANSPORTATION
in Alaska to the extent that it justifies 3007C and 3007C1 engines with an installed
making a regulatory distinction, and fan wheel, P/N 23061670, after the effective Federal Aviation Administration
(4) Will not have a significant date of this AD, remove the affected fan
economic impact, positive or negative, wheel before exceeding the new life limits 14 CFR Part 39
on a substantial number of small entities identified in Planning Information, paragraph
[Docket No. FAA–2017–0910; Product
under the criteria of the Regulatory 1.F., of RRC ASB AE 3007A–A–72–424/ASB
Identifier 2017–CE–027–AD]
Flexibility Act. AE 3007C–A–72–327 (one document),
Revision 1, dated April 20, 2017. RIN 2120–AA64
List of Subjects in 14 CFR Part 39 (2) After the effective date of this AD, do
Air transportation, Aircraft, Aviation not return to service any engine with a fan Airworthiness Directives; Gulfstream
safety, Incorporation by reference, wheel, P/N 23061670, with a fan wheel life Aerospace Corporation Airplanes
Safety. that exceeds the new life limits identified in
AGENCY: Federal Aviation
Planning Information, paragraph 1.C., of RRC
The Proposed Amendment Administration (FAA), DOT.
ASB AE 3007A–A–72–424/ASB AE 3007C–
Accordingly, under the authority A–72–327 (one document), Revision 1, dated ACTION: Notice of proposed rulemaking
delegated to me by the Administrator, April 20, 2017. (NPRM).
the FAA proposes to amend 14 CFR part SUMMARY: We propose to adopt a new
(g) Alternative Methods of Compliance
39 as follows: (AMOCs) airworthiness directive (AD) for certain
PART 39—AIRWORTHINESS (1) The Manager, Chicago ACO Branch, Gulfstream Aerospace Corporation
DIRECTIVES FAA, has the authority to approve AMOCs Models GIII (G–1159A), G–IV, and GIV–
for this AD, if requested using the procedures X airplanes. This proposed AD was
■ 1. The authority citation for part 39 found in 14 CFR 39.19. In accordance with prompted by a report that certain flap
continues to read as follows: 14 CFR 39.19, send your request to your tracks were manufactured with the
Authority: 49 U.S.C. 106(g), 40113, 44701. principal inspector or local Flight Standards upper flange thickness less than design
District Office, as appropriate. If sending minimum. This proposed AD would
§ 39.13 [Amended] information directly to the manager of the require replacing any defective flap
■ 2. The FAA amends § 39.13 by adding Chicago ACO Branch, send it to the attention track. We are proposing this AD to
the following new airworthiness of the person identified in paragraph (i)(1) of address the unsafe condition on these
directive (AD): this AD. products.
Roll-Royce Corporation (Type Certificate (2) Before using any approved AMOC, DATES: We must receive comments on
previously held by Allison Engine notify your appropriate principal inspector, this proposed AD by November 6, 2017.
Company): Docket No. FAA–2017–0750; or lacking a principal inspector, the manager
ADDRESSES: You may send comments,
Product Identifier 2017–NE–24–AD. of the local flight standards district office/
using the procedures found in 14 CFR
certificate holding district office.
(a) Comments Due Date 11.43 and 11.45, by any of the following
We must receive comments by November (h) Related Information methods:
6, 2017. (1) For more information about this AD, • Federal eRulemaking Portal: Go to
(b) Affected ADs contact Kyri Zaroyiannis, Aerospace http://www.regulations.gov. Follow the
Engineer, Chicago ACO Branch, FAA, 2300 E. instructions for submitting comments.
None. • Fax: 202–493–2251.
Devon Ave., Des Plaines, IL 60018; phone:
(c) Applicability 847–294–7836; fax: 847–294–7834; email: • Mail: U.S. Department of
This AD applies to Rolls-Royce kyri.zaroyiannis@faa.gov. Transportation, Docket Operations, M–
Corporation (RRC) AE 3007A, AE 3007A1, (2) For RRC service information identified 30, West Building Ground Floor, Room
AE 3007A1/1, AE 3007A1/2, AE 3007A1/3, in this AD, contact Rolls-Royce Corporation, W12–140, 1200 New Jersey Avenue SE.,
AE 3007A1P, AE 3007A1E, AE 3007A3, AE 450 South Meridian Street, Mail Code NB– Washington, DC 20590.
3007C and 3007C1 turbofan engines with a 02–05, Indianapolis, IN 46225; phone: 317– • Hand Delivery: Deliver to Mail
fan wheel, part number (P/N) 23061670, address above between 9 a.m. and 5
230–3774; email: indy.pubs.services@rolls-
installed. p.m., Monday through Friday, except
royce.com; Internet: www.rolls-royce.com.
(d) Subject (3) You may view this service information Federal holidays.
Joint Aircraft System Component (JASC) at FAA, Engine and Propeller Standards For service information identified in
Code 7250, Turbine/turboprop Engine, Branch, 1200 District Avenue, Burlington, this NPRM, contact Gulfstream
Turbine Section. MA 01803. For information on the Aerospace Corporation, P.O. Box 2206,
(e) Unsafe Condition availability of this material at the FAA, call Savannah, Georgia 31404–2206;
781–238–7125. telephone: (912) 965–3000; fax: (912)
This AD was prompted by an updated
Issued in Burlington, Massachusetts, on
965–3520; email: pubs@gulfstream.com;
analysis that lowered the life limit of fan
wheels installed on the affected engines. We September 13, 2017.
Internet: www.gulfstream.com. You may
are issuing this AD to prevent failure of the review this referenced service
Robert J. Ganley, information at the FAA, Policy and
fan wheel. The unsafe condition, if not
corrected, could result in failure of the fan Manager, Engine and Propeller Standards Innovation Division, 901 Locust, Kansas
wheel, uncontained release of the fan wheel, Branch, Aircraft Certification Service. City, Missouri 64106. For information
damage to the engine, and damage to the [FR Doc. 2017–19962 Filed 9–21–17; 8:45 am] on the availability of this material at the
airplane. BILLING CODE 4910–13–P FAA, call (816) 329–4148.
(f) Compliance
Examining the AD Docket
Comply with this AD within the
compliance times specified, unless already You may examine the AD docket on
done. the Internet at http://
(1) For all AE 3007A, AE 3007A1, AE www.regulations.gov by searching for
3007A1/1, AE 3007A1/2, AE 3007A1/3, AE and locating Docket No. FAA–2017–
VerDate Sep<11>2014 16:19 Sep 21, 2017 Jkt 241001 PO 00000 Frm 00013 Fmt 4702 Sfmt 4702 E:\FR\FM\22SEP1.SGM 22SEP1](https://thefederalregister.org/doc/82_FR_44540/page/3.svg)
Document Created: 2017-09-22 01:52:54
Document Modified: 2017-09-22 01:52:54
| Category | Regulatory Information | |
| Collection | Federal Register | |
| sudoc Class | AE 2.7: GS 4.107: AE 2.106: | |
| Publisher | Office of the Federal Register, National Archives and Records Administration | |
| Section | Proposed Rules | |
| Action | Notice of proposed rulemaking (NPRM). | |
| Dates | We must receive comments on this proposed AD by November 6, 2017. | |
| Contact | Kyri Zaroyiannis, Aerospace Engineer, Chicago ACO Branch, FAA, 2300 E. Devon Ave., Des Plaines, IL 60018; phone: 847-294-7836; fax: 847-294-7834; email: [email protected] | |
| FR Citation | 82 FR 44357 | |
| RIN Number | 2120-AA64 | |
| CFR Associated | Air Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety |
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