Airworthiness Directives; Pratt & Whitney Turbofan Engines, 10047-10049 [2020-03329]

Download as PDF Federal Register / Vol. 85, No. 35 / Friday, February 21, 2020 / Rules and Regulations of information are mandatory. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to: Information Collection Clearance Officer, Federal Aviation Administration, 10101 Hillwood Parkway, Fort Worth, TX 76177–1524. (o) Alternative Methods of Compliance (AMOCs) (1) The Manager, Wichita 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 certification office, send it to the attention of the person identified in paragraph (p) 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. (3) An AMOC that provides an acceptable level of safety may be used for any repair, modification, or alteration required by this AD if it is approved by a Textron Aviation, Inc. Unit Member (UM) of the Textron Organization Designation Authorization (ODA), that has been authorized by the Manager, Wichita ACO Branch, to make those findings. To be approved, the repair, modification deviation, or alteration deviation must meet the certification basis of the airplane, and the approval must specifically refer to this AD. khammond on DSKJM1Z7X2PROD with RULES (p) Related Information For more information about this AD, contact Bobbie Kroetch, Aerospace Engineer, Wichita ACO Branch, 1801 Airport Road, Room 100, Wichita, Kansas 67209; telephone: (316) 946–4155; fax: (316) 946–4107; email: bobbie.kroetch@faa.gov or Wichita-COS@ faa.gov. (q) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference (IBR) of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise. (i) Textron Aviation Mandatory Service Letter SEL–57–08, Revision 1, dated November 19, 2019. (ii) [Reserved] (3) For the service information identified in this AD, contact Textron Aviation Inc., One Cessna Boulevard, Wichita, Kansas 67215, phone: (316) 517–6061; email: structures@ txtav.com; internet: https:// support.cessna.com. (4) You may view this service information at FAA, Policy and Innovation Division, 901 Locust, Kansas City, Missouri 64106. For information on the availability of this material at the FAA, call (816) 329–4148. (5) You may view this service information that is incorporated by reference at the National Archives and Records VerDate Sep<11>2014 17:38 Feb 20, 2020 Jkt 250001 Administration (NARA). For information on the availability of this material at NARA, email: fedreg.legal@nara.gov, or go to: https://www.archives.gov/federal-register/cfr/ ibr-locations.html. Issued on February 13, 2020. Lance T. Gant, Aircraft Certification Service, Director, Compliance and Airworthiness Division, AIR– 700. [FR Doc. 2020–03276 Filed 2–20–20; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2019–0596; Project Identifier 2019–NE–22–AD; Amendment 39– 21101; AD 2020–04–01] RIN 2120–AA64 Airworthiness Directives; Pratt & Whitney Turbofan Engines Federal Aviation Administration (FAA), DOT. ACTION: Final rule. AGENCY: The FAA is adopting a new airworthiness directive (AD) for all Pratt & Whitney (PW) PW1519G, PW1521G, PW1521GA, PW1524G, PW1525G, PW1521G–3, PW1524G–3, PW1525G–3, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G–A model turbofan engines. This AD was prompted by reports of in-flight shutdowns due to oil leaking from the connection between the LP10 oil supply tube and the fuel oil cooler (FOC). This AD requires initial and repetitive gap inspections of the LP10 oil supply tube and the FOC and, if a gap is found, replacement of these parts. The FAA is issuing this AD to address the unsafe condition on these products. DATES: This AD is effective March 27, 2020. SUMMARY: For service information identified in this final rule, contact Pratt & Whitney, 400 Main Street, East Hartford, CT 06118; phone: 800–565– 0140; fax: 860–565–5442; email: help24@pw.utc.com; internet: http:// fleetcare.pw.utc.com. You may view this service information at the 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– 7759. It is also available on the internet at http://www.regulations.gov by searching for and locating Docket No. FAA–2019–0596. ADDRESSES: PO 00000 Frm 00013 Fmt 4700 Sfmt 4700 10047 Examining the AD Docket You may examine the AD docket on the internet at https:// www.regulations.gov by searching for and locating Docket No. FAA–2019– 0596; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, the regulatory evaluation, any comments received, and other information. The address for Docket Operations is U.S. Department of Transportation, Docket Operations, M– 30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue SE, Washington, DC 20590. FOR FURTHER INFORMATION CONTACT: Kevin M. Clark, Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781–238–7088; fax: 781–238–7199; email: kevin.m.clark@faa.gov. SUPPLEMENTARY INFORMATION: Discussion The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 by adding an AD that would apply to all PW PW1519G, PW1521G, PW1521GA, PW1524G, PW1525G, PW1521G–3, PW1524G–3, PW1525G–3, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G–A model turbofan engines. The NPRM published in the Federal Register on September 10, 2019 (84 FR 47455). The NPRM was prompted by reports of in-flight shutdowns due to oil leaking from the connection between the LP10 oil supply tube and the FOC. The NPRM proposed to require initial and repetitive gap inspections of the LP10 oil supply tube and the FOC and, if a gap is found, replacement of these parts. This AD further requires removal of these parts at the next engine shop visit. The FAA is issuing this AD to address the unsafe condition on these products. Comments The FAA gave the public the opportunity to participate in developing this final rule. The following presents the comments received on the NPRM and the FAA’s response to each comment. Request To Correct Service Bulletin (SB) References The European Union Aviation Safety Agency (EASA) commented that the PW SBs referenced in the NPRM are missing the letter ‘‘G’’ and requested that these references be corrected. EASA added that it might be useful to specify the PW SB PW1000G–A–79–00–0011–00A– 930A–D is at Issue No: 6. EASA also E:\FR\FM\21FER1.SGM 21FER1 10048 Federal Register / Vol. 85, No. 35 / Friday, February 21, 2020 / Rules and Regulations requested that the FAA place copies of the referenced SBs in the docket to facilitate review of the NPRM. The FAA agrees to revise the SB references as requested by EASA. The FAA placed the referenced SBs in the docket. Request To Revise Compliance Swiss International Air Lines Ltd. (Swiss Air) requested that the FAA add to paragraph (i) of this AD that inspections performed prior to the effective date of this AD and done in accordance with PW SB PW1000G–A– 79–00–0012–00A–930A–D, dated January 25, 2019, are considered as initial compliance per paragraph (g) of this AD. Swiss Air explained that this change would allow operators to continue with the already ongoing inspection campaign. Otherwise, according to Swiss Air, an engine inspected the day before the AD becomes effective will require a new inspection within 300 engine flight cycles. This places an extra burden on operators with no significant benefit to safety. The FAA disagrees with revising paragraph (i) of this AD because inspections performed in accordance with the referenced PW SB meet the requirements of paragraph (g) of this AD. In addition, per paragraph (f) of this AD, inspections completed in accordance with this AD before its effective date meet the requirement of ‘‘already done.’’ Support for the NPRM The Air Line Pilots Association International expressed support for the NPRM as written. Conclusion The FAA reviewed the relevant data, considered the comments received, and determined that air safety and the public interest require adopting this final rule with the changes described previously and minor editorial changes. The FAA determined that these minor changes: • Are consistent with the intent that was proposed in the NPRM for addressing the unsafe condition; and • Do not add any additional burden upon the public than was already proposed in the NPRM. The FAA also determined that these changes will not increase the economic burden on any operator or increase the scope of this final rule. Related Service Information The FAA reviewed PW SB PW SB PW1000G–A–79–00–0004–00B–930A– D, Issue No: 6, dated March 20, 2019, and PW SB PW1000G–A–79–00–0011– 00A–930A–D, Issue No: 6, dated March 20, 2019. PW SB PW1000G–A–79–00– 0004–00B–930A–D describes procedures for modification or replacement of the FOC on PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G–A model turbofan engines. PW SB PW1000G–A–79–00–0011–00A– 930A–D describes procedures for modification or replacement of the FOCs on PW1519G, PW1521G, PW1521GA, PW1521G–3, PW1524G, PW1524G–3, PW1525G, and PW1525G– 3 model turbofan engines. The FAA also reviewed PW SB PW SB PW1000G–A–79–00–0005–00B– 930A–D, Issue No: 3, dated January 25, 2019; PW SB PW1000G–A–79–00– 0012–00A–930A–D, Issue No: 3, dated January 25, 2019; PW SB PW1000G–A– 79–00–0007–00B–930A–D, Issue No: 001, dated March 29, 2019, and PW SB PW1000G–A–79–00–0013–00A–930A– D, Issue No: 001, dated March 29, 2019. These SBs describe procedures for inspections of the FOC for gaps as well as replacement of the FOC and the LP10 oil supply tube to prevent oil leaks. Costs of Compliance The FAA estimates that this AD affects 18 engines installed on airplanes of U.S. registry. The FAA estimates the following costs to comply with this AD: ESTIMATED COSTS Action Labor cost Perform gap inspection ................................... Replace FOC .................................................. Replace LP 10 line ......................................... 2 work-hours × $85 per hour = $170 ............. 5 work-hours × $85 per hour = $425 ............. 2.5 work-hours × $85 per hour = $212.50 ..... khammond on DSKJM1Z7X2PROD with RULES 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. The FAA is 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 VerDate Sep<11>2014 17:38 Feb 20, 2020 Jkt 250001 Parts cost 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 associated appliances to the Manager, Engine and Propeller Standards Branch, Policy and Innovation Division. Regulatory Findings This AD will not have federalism implications under Executive Order 13132. This AD will not have a substantial direct effect on the States, on the relationship between the national PO 00000 Frm 00014 Fmt 4700 Sfmt 4700 $0 69,000 1,125 Cost per product $170 69,425 1,337.50 Cost on U.S. operators $3,060 1,249,650 24,075 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 that this AD: (1) Is not a ‘‘significant regulatory action’’ under Executive Order 12866, (2) Will not affect intrastate aviation in Alaska, and (3) 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. E:\FR\FM\21FER1.SGM 21FER1 Federal Register / Vol. 85, No. 35 / Friday, February 21, 2020 / Rules and Regulations Adoption of the Amendment (h) Terminating Action Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: Removal of the affected LP10 oil supply tube and the FOC per the requirements of paragraphs (g)(1)(i) or (g)(2) of this AD constitutes terminating action for the inspections required by paragraph (g)(1) of this AD. PART 39—AIRWORTHINESS DIRECTIVES 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. § 39.13 [Amended] 2. The FAA amends § 39.13 by adding the following new airworthiness directive (AD): ■ 2020–04–01 Pratt & Whitney: Amendment 39–21101; Docket No. FAA–2019–0596; Project Identifier 2019–NE–22–AD. (a) Effective Date This AD is effective March 27, 2020. (b) Affected ADs None. (c) Applicability This AD applies to all Pratt & Whitney (PW) PW1519G, PW1521G, PW1521GA, PW1524G, PW1525G, PW1521G–3, PW1524G–3, PW1525G–3, PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G–A model turbofan engines. (e) Unsafe Condition This AD was prompted by reports of two in-flight shutdowns due to oil leaking from the connection between the LP10 oil supply tube and the fuel oil cooler (FOC). The FAA is issuing this AD to prevent failure of the LP10 oil supply tube, engine fire and damage to the airplane. The unsafe condition, if not addressed, could result in engine fire and damage to the airplane. khammond on DSKJM1Z7X2PROD with RULES (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions (1) Within 300 engine cycles from the effective date of this AD, perform an initial gap inspection with a 0.001 inch feeler gauge between the LP10 oil supply tube, part number (P/N) 5312624–01, and the FOC, P/ N 5306769. (i) If any gap is found, remove the LP10 oil supply tube and the FOC and replace with parts eligible for installation prior to further flight. (ii) If no gap is found, repeat this inspection every 850 engine cycles since the previous inspection. (2) At the next shop visit after the effective date of this AD, remove the LP10 oil supply tube, P/N 5312624–01, and the FOC, P/N 5306769, and replace with parts eligible for installation. 17:38 Feb 20, 2020 Jkt 250001 (1) The Manager, ECO 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 certification office, send it to the attention of the person identified in paragraph (k) of this AD. You may email your request to: ANE-AD-AMOC@ faa.gov. (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. (k) Related Information For more information about this AD, contact Kevin M. Clark, Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781–238– 7088; fax: 781–238–7199; email: kevin.m.clark@faa.gov. (l) Material Incorporated by Reference None. Issued in Burlington, Massachusetts, on February 13, 2020. Robert J. Ganley, Manager, Engine and Propeller Standards Branch, Aircraft Certification Service. [FR Doc. 2020–03329 Filed 2–20–20; 8:45 am] BILLING CODE 4910–13–P PO 00000 Federal Aviation Administration 14 CFR Part 71 [Docket No. FAA–2019–0811; Airspace Docket No. 17–ANM–36] RIN 2120–AA66 (1) For the purpose of this AD, an ‘‘engine shop visit’’ is the induction of an engine into the shop for maintenance involving the separation of pairs of major mating engine case flanges, except separation of engine flanges solely for the purposes of transportation of the engine without subsequent maintenance does not constitute an engine shop visit. (2) For the purpose of this AD, an LP10 tube eligible for installation is any LP10 tube with a P/N other than P/N 5312624–01. (3) For the purpose of this AD, an FOC eligible for installation is one with a P/N other than P/N 5306769 or an FOC modified per PW SB PW1000G–A–79–00–0004–00B– 930A–D or PW SB PW1000G–A–79–00– 0011–00A–930A–D, both Issue No: 006, and both dated March 20, 2019. (j) Alternative Methods of Compliance (AMOCs) (d) Subject Joint Aircraft System Component (JASC) Code 7261, Turbine Engine Oil System. VerDate Sep<11>2014 DEPARTMENT OF TRANSPORTATION (i) Definition ■ 10049 Establishment of Class E Airspace; Alpine, WY Federal Aviation Administration (FAA), DOT. ACTION: Final rule. AGENCY: This action establishes Class E airspace extending upward from 700 feet or more above the surface of the earth at Alpine Airport, Alpine, WY. The first area extends upward from 700 feet above the surface and a second area extends upward from 1,200 feet above the surface. The airspace is designed to accommodate new IFR area navigation (RNAV) approaches and IFR departure procedures at the airport, supporting the airport’s transition from VFR to IFR operations SUMMARY: Effective 0901 UTC, May 21, 2020. The Director of the Federal Register approves this incorporation by reference action under Title 1 Code of Federal Regulations part 51, subject to the annual revision of FAA Order 7400.11 and publication of conforming amendments. ADDRESSES: FAA Order 7400.11D, Airspace Designations and Reporting Points, and subsequent amendments can be viewed online at https:// www.faa.gov//air_traffic/publications/. For further information, you can contact the Airspace Policy Group, Federal Aviation Administration, 800 Independence Avenue SW, Washington, DC 20591; telephone: (202) 267–8783. The Order is also available for inspection at the National Archives and Records Administration (NARA). For information on the availability of FAA Order 7400.11D at NARA, email fedreg.legal@nara.gov or go to https:// www.archives.gov/federal-register/cfr/ ibr-locations.html. FOR FURTHER INFORMATION CONTACT: Matthew Van Der Wal, Federal Aviation Administration, Western Service Center, Operations Support Group, 2200 S 216th Street, Des Moines, WA 98198; telephone (206) 231–3695. SUPPLEMENTARY INFORMATION: DATES: Authority for This Rulemaking The FAA’s authority to issue rules regarding aviation safety is found in Title 49 of the United States Code. Frm 00015 Fmt 4700 Sfmt 4700 E:\FR\FM\21FER1.SGM 21FER1

Agencies

[Federal Register Volume 85, Number 35 (Friday, February 21, 2020)]
[Rules and Regulations]
[Pages 10047-10049]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2020-03329]


-----------------------------------------------------------------------

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2019-0596; Project Identifier 2019-NE-22-AD; Amendment 
39-21101; AD 2020-04-01]
RIN 2120-AA64


Airworthiness Directives; Pratt & Whitney Turbofan Engines

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for all 
Pratt & Whitney (PW) PW1519G, PW1521G, PW1521GA, PW1524G, PW1525G, 
PW1521G-3, PW1524G-3, PW1525G-3, PW1919G, PW1921G, PW1922G, PW1923G, 
and PW1923G-A model turbofan engines. This AD was prompted by reports 
of in-flight shutdowns due to oil leaking from the connection between 
the LP10 oil supply tube and the fuel oil cooler (FOC). This AD 
requires initial and repetitive gap inspections of the LP10 oil supply 
tube and the FOC and, if a gap is found, replacement of these parts. 
The FAA is issuing this AD to address the unsafe condition on these 
products.

DATES: This AD is effective March 27, 2020.

ADDRESSES: For service information identified in this final rule, 
contact Pratt & Whitney, 400 Main Street, East Hartford, CT 06118; 
phone: 800-565-0140; fax: 860-565-5442; email: [email protected]; 
internet: http://fleetcare.pw.utc.com. You may view this service 
information at the FAA, Engine and Propeller Standards Branch, 1200 
District Avenue, Burlington, MA 01803. For information on the 
availability of this material at the FAA, call 781-238-7759. It is also 
available on the internet at http://www.regulations.gov by searching 
for and locating Docket No. FAA-2019-0596.

Examining the AD Docket

    You may examine the AD docket on the internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2019-
0596; or in person at Docket Operations between 9 a.m. and 5 p.m., 
Monday through Friday, except Federal holidays. The AD docket contains 
this final rule, the regulatory evaluation, any comments received, and 
other information. The address for Docket Operations is U.S. Department 
of Transportation, Docket Operations, M-30, West Building Ground Floor, 
Room W12-140, 1200 New Jersey Avenue SE, Washington, DC 20590.

FOR FURTHER INFORMATION CONTACT: Kevin M. Clark, Aerospace Engineer, 
ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 
781-238-7088; fax: 781-238-7199; email: [email protected].

SUPPLEMENTARY INFORMATION: 

Discussion

    The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 
CFR part 39 by adding an AD that would apply to all PW PW1519G, 
PW1521G, PW1521GA, PW1524G, PW1525G, PW1521G-3, PW1524G-3, PW1525G-3, 
PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A model turbofan 
engines. The NPRM published in the Federal Register on September 10, 
2019 (84 FR 47455). The NPRM was prompted by reports of in-flight 
shutdowns due to oil leaking from the connection between the LP10 oil 
supply tube and the FOC. The NPRM proposed to require initial and 
repetitive gap inspections of the LP10 oil supply tube and the FOC and, 
if a gap is found, replacement of these parts. This AD further requires 
removal of these parts at the next engine shop visit. The FAA is 
issuing this AD to address the unsafe condition on these products.

Comments

    The FAA gave the public the opportunity to participate in 
developing this final rule. The following presents the comments 
received on the NPRM and the FAA's response to each comment.

Request To Correct Service Bulletin (SB) References

    The European Union Aviation Safety Agency (EASA) commented that the 
PW SBs referenced in the NPRM are missing the letter ``G'' and 
requested that these references be corrected. EASA added that it might 
be useful to specify the PW SB PW1000G-A-79-00-0011-00A-930A-D is at 
Issue No: 6. EASA also

[[Page 10048]]

requested that the FAA place copies of the referenced SBs in the docket 
to facilitate review of the NPRM.
    The FAA agrees to revise the SB references as requested by EASA. 
The FAA placed the referenced SBs in the docket.

Request To Revise Compliance

    Swiss International Air Lines Ltd. (Swiss Air) requested that the 
FAA add to paragraph (i) of this AD that inspections performed prior to 
the effective date of this AD and done in accordance with PW SB 
PW1000G-A-79-00-0012-00A-930A-D, dated January 25, 2019, are considered 
as initial compliance per paragraph (g) of this AD. Swiss Air explained 
that this change would allow operators to continue with the already 
ongoing inspection campaign. Otherwise, according to Swiss Air, an 
engine inspected the day before the AD becomes effective will require a 
new inspection within 300 engine flight cycles. This places an extra 
burden on operators with no significant benefit to safety.
    The FAA disagrees with revising paragraph (i) of this AD because 
inspections performed in accordance with the referenced PW SB meet the 
requirements of paragraph (g) of this AD. In addition, per paragraph 
(f) of this AD, inspections completed in accordance with this AD before 
its effective date meet the requirement of ``already done.''

Support for the NPRM

    The Air Line Pilots Association International expressed support for 
the NPRM as written.

Conclusion

    The FAA reviewed the relevant data, considered the comments 
received, and determined that air safety and the public interest 
require adopting this final rule with the changes described previously 
and minor editorial changes. The FAA determined that these minor 
changes:
     [Agr]re consistent with the intent that was proposed in 
the NPRM for addressing the unsafe condition; and
     Do not add any additional burden upon the public than was 
already proposed in the NPRM.
    The FAA also determined that these changes will not increase the 
economic burden on any operator or increase the scope of this final 
rule.

Related Service Information

    The FAA reviewed PW SB PW SB PW1000G-A-79-00-0004-00B-930A-D, Issue 
No: 6, dated March 20, 2019, and PW SB PW1000G-A-79-00-0011-00A-930A-D, 
Issue No: 6, dated March 20, 2019. PW SB PW1000G-A-79-00-0004-00B-930A-
D describes procedures for modification or replacement of the FOC on 
PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A model turbofan 
engines. PW SB PW1000G-A-79-00-0011-00A-930A-D describes procedures for 
modification or replacement of the FOCs on PW1519G, PW1521G, PW1521GA, 
PW1521G-3, PW1524G, PW1524G-3, PW1525G, and PW1525G-3 model turbofan 
engines.
    The FAA also reviewed PW SB PW SB PW1000G-A-79-00-0005-00B-930A-D, 
Issue No: 3, dated January 25, 2019; PW SB PW1000G-A-79-00-0012-00A-
930A-D, Issue No: 3, dated January 25, 2019; PW SB PW1000G-A-79-00-
0007-00B-930A-D, Issue No: 001, dated March 29, 2019, and PW SB 
PW1000G-A-79-00-0013-00A-930A-D, Issue No: 001, dated March 29, 2019. 
These SBs describe procedures for inspections of the FOC for gaps as 
well as replacement of the FOC and the LP10 oil supply tube to prevent 
oil leaks.

Costs of Compliance

    The FAA estimates that this AD affects 18 engines installed on 
airplanes of U.S. registry.
    The FAA estimates the following costs to comply with this AD:

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                     Cost per      Cost on U.S.
                Action                         Labor cost           Parts cost        product        operators
----------------------------------------------------------------------------------------------------------------
Perform gap inspection................  2 work-hours x $85 per                $0            $170          $3,060
                                         hour = $170.
Replace FOC...........................  5 work-hours x $85 per            69,000          69,425       1,249,650
                                         hour = $425.
Replace LP 10 line....................  2.5 work-hours x $85 per           1,125        1,337.50          24,075
                                         hour = $212.50.
----------------------------------------------------------------------------------------------------------------

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.
    The FAA is 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 
associated appliances to the Manager, Engine and Propeller Standards 
Branch, Policy and Innovation Division.

Regulatory Findings

    This AD will not have federalism implications under Executive Order 
13132. This AD will 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 that this AD:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866,
    (2) Will not affect intrastate aviation in Alaska, and
    (3) 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.

[[Page 10049]]

Adoption of the Amendment

    Accordingly, under the authority delegated to me by the 
Administrator, the FAA amends 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):

2020-04-01 Pratt & Whitney: Amendment 39-21101; Docket No. FAA-2019-
0596; Project Identifier 2019-NE-22-AD.

(a) Effective Date

    This AD is effective March 27, 2020.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to all Pratt & Whitney (PW) PW1519G, PW1521G, 
PW1521GA, PW1524G, PW1525G, PW1521G-3, PW1524G-3, PW1525G-3, 
PW1919G, PW1921G, PW1922G, PW1923G, and PW1923G-A model turbofan 
engines.

(d) Subject

    Joint Aircraft System Component (JASC) Code 7261, Turbine Engine 
Oil System.

(e) Unsafe Condition

    This AD was prompted by reports of two in-flight shutdowns due 
to oil leaking from the connection between the LP10 oil supply tube 
and the fuel oil cooler (FOC). The FAA is issuing this AD to prevent 
failure of the LP10 oil supply tube, engine fire and damage to the 
airplane. The unsafe condition, if not addressed, could result in 
engine fire and damage to the airplane.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Required Actions

    (1) Within 300 engine cycles from the effective date of this AD, 
perform an initial gap inspection with a 0.001 inch feeler gauge 
between the LP10 oil supply tube, part number (P/N) 5312624-01, and 
the FOC, P/N 5306769.
    (i) If any gap is found, remove the LP10 oil supply tube and the 
FOC and replace with parts eligible for installation prior to 
further flight.
    (ii) If no gap is found, repeat this inspection every 850 engine 
cycles since the previous inspection.
    (2) At the next shop visit after the effective date of this AD, 
remove the LP10 oil supply tube, P/N 5312624-01, and the FOC, P/N 
5306769, and replace with parts eligible for installation.

(h) Terminating Action

    Removal of the affected LP10 oil supply tube and the FOC per the 
requirements of paragraphs (g)(1)(i) or (g)(2) of this AD 
constitutes terminating action for the inspections required by 
paragraph (g)(1) of this AD.

(i) Definition

    (1) For the purpose of this AD, an ``engine shop visit'' is the 
induction of an engine into the shop for maintenance involving the 
separation of pairs of major mating engine case flanges, except 
separation of engine flanges solely for the purposes of 
transportation of the engine without subsequent maintenance does not 
constitute an engine shop visit.
    (2) For the purpose of this AD, an LP10 tube eligible for 
installation is any LP10 tube with a P/N other than P/N 5312624-01.
    (3) For the purpose of this AD, an FOC eligible for installation 
is one with a P/N other than P/N 5306769 or an FOC modified per PW 
SB PW1000G-A-79-00-0004-00B-930A-D or PW SB PW1000G-A-79-00-0011-
00A-930A-D, both Issue No: 006, and both dated March 20, 2019.

(j) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, ECO 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 
certification office, send it to the attention of the person 
identified in paragraph (k) of this AD. You may email your request 
to: [email protected].
    (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.

(k) Related Information

    For more information about this AD, contact Kevin M. Clark, 
Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue, 
Burlington, MA 01803; phone: 781-238-7088; fax: 781-238-7199; email: 
[email protected].

(l) Material Incorporated by Reference

    None.

    Issued in Burlington, Massachusetts, on February 13, 2020.
Robert J. Ganley,
Manager, Engine and Propeller Standards Branch, Aircraft Certification 
Service.
[FR Doc. 2020-03329 Filed 2-20-20; 8:45 am]
 BILLING CODE 4910-13-P