83 FR 58194 - Airworthiness Directives; Pratt & Whitney Division Turbofan Engines

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 83, Issue 223 (November 19, 2018)

Page Range		58194-58196
FR Document		2018-24965

We propose to supersede Airworthiness Directive (AD) 2016-22- 05, which applies to certain Pratt & Whitney Division (PW) PW4164, PW4164-1D, PW4168, PW4168-1D, PW4168A, PW4168A-1D, and PW4170 turbofan engines. AD 2016-22-05 requires initial and repetitive inspections of the affected fuel nozzles and their replacement with parts eligible for installation. Since we issued AD 2016-22-05, PW introduced newly forged fuel nozzles, fuel manifold brackets, and clamps. This proposed AD would require initial and repetitive inspections of the affected fuel nozzles and fuel nozzle supply manifold assemblies, replacement of the affected fuel nozzles with parts eligible for installation, and the installation of new brackets and clamps on the fuel supply manifold assemblies with parts eligible for installation. We are proposing this AD to address the unsafe condition on these products.

Federal Register, Volume 83 Issue 223 (Monday, November 19, 2018)

[Federal Register Volume 83, Number 223 (Monday, November 19, 2018)]
[Proposed Rules]
[Pages 58194-58196]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2018-24965]



[[Page 58194]]

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

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2018-0920; Product Identifier 2016-NE-09-AD]
RIN 2120-AA64


Airworthiness Directives; Pratt & Whitney Division Turbofan 
Engines

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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

SUMMARY: We propose to supersede Airworthiness Directive (AD) 2016-22-
05, which applies to certain Pratt & Whitney Division (PW) PW4164, 
PW4164-1D, PW4168, PW4168-1D, PW4168A, PW4168A-1D, and PW4170 turbofan 
engines. AD 2016-22-05 requires initial and repetitive inspections of 
the affected fuel nozzles and their replacement with parts eligible for 
installation. Since we issued AD 2016-22-05, PW introduced newly forged 
fuel nozzles, fuel manifold brackets, and clamps. This proposed AD 
would require initial and repetitive inspections of the affected fuel 
nozzles and fuel nozzle supply manifold assemblies, replacement of the 
affected fuel nozzles with parts eligible for installation, and the 
installation of new brackets and clamps on the fuel supply manifold 
assemblies with parts eligible for installation. We are proposing this 
AD to address the unsafe condition on these products.

DATES: We must receive comments on this proposed AD by January 3, 2019.

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 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 Pratt & 
Whitney Division, 400 Main St., East Hartford, CT 06108; phone: 860-
565-8770; fax: 860-565-4503. You may view this service information at 
the FAA, Engine & Propeller Standards Branch, 1200 District Avenue, 
Burlington, MA 01803. For information on the availability of this 
material at the FAA, call 781-238-7759.

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-2018-
0920; 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 NPRM, the regulatory evaluation, any comments received, and other 
information. The street address for Docket Operations (phone: 800-647-
5527) is listed above. Comments will be available in the AD docket 
shortly after receipt.

FOR FURTHER INFORMATION CONTACT: Scott Hopper, Aerospace Engineer, ECO 
Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781-
238-7154; fax: 781-238-7199; email: [email protected].

SUPPLEMENTARY INFORMATION:

Comments Invited

    We invite you to send any written relevant data, views, or 
arguments about this proposed AD. Send your comments to an address 
listed under the ADDRESSES section. Include ``Docket No. FAA-2018-0920; 
Product Identifier 2016-NE-09-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 proposed AD.

Discussion

    We issued AD 2016-22-05, Amendment 39-18694 (81 FR 75686, November 
1, 2016), (``AD 2016-22-05''), for certain PW PW4164, PW4164-1D, 
PW4168, PW4168-1D, PW4168A, PW4168A-1D, and PW4170 turbofan engines. AD 
2016-22-05 requires initial and repetitive inspections of the affected 
fuel nozzles and their replacement with parts eligible for 
installation. AD 2016-22-05 resulted from several instances of fuel 
leaks on PW engines installed with the Talon IIB combustion chamber 
configuration. We issued AD 2016-22-05 to prevent failure of the fuel 
nozzles, which could lead to engine fire and damage to the airplane.

Actions Since AD 2016-22-05 Was Issued

    Since we issued AD 2016-22-05, multiple PW4000 turbofan engines 
experienced fuel leaks resulting in engine fires. A subsequent review 
of the potential causes identified cracks in the fuel manifold at the 
braze joint. As a result, PW published PW Alert Service Bulletin (ASB) 
PW4G-100-A73-47, dated March 10, 2017, and PW Service Bulletin (SB) 
PW4G-100-73-48, Revision No. 1, dated April 24, 2018, to introduce a 
forged fuel nozzle that removes the brazed inlet fitting and adds new 
brackets and clamps to the fuel supply manifolds to dampen combustion 
chamber vibrations.

Related Service Information Under 1 CFR Part 51

    We reviewed PW ASB PW4G-100-A73-45, dated February 16, 2016; PW ASB 
PW4G-100-A73-47, dated March 10, 2017; and PW SB PW4G-100-73-48, 
Revision No. 1, dated April 24, 2018. PW ASB PW4G-100-A73-45 describes 
procedures for inspecting and replacing the fuel nozzles. PW ASB PW4G-
100-A73-47 describes procedures for replacing the fuel nozzle and 
support assembly. PW SB PW4G-100-73-48 describes procedures for 
replacing the fuel nozzle manifold assemblies and installing new 
brackets and clamps on the manifolds. 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 retain all requirements of AD 2016-22-05. 
This proposed AD would require initial and repetitive inspections and 
replacement of the affected fuel nozzles. This proposed AD would also 
require replacement of the affected fuel nozzle supply manifold 
assemblies and the installation of new brackets and clamps on the fuel 
supply manifold assemblies with parts eligible for installation.

[[Page 58195]]

Differences Between This Proposed AD and the Service Information

    PW ASB PW4G-100-A73-47, dated March 10, 2017, requires the 
installation of the new fuel nozzles by April 1, 2019, which is 
approximately 24 months from the PW ASB issue date. This AD requires 
initial inspection and replacement of failed fuel nozzles before 
further flight and installation of new fuel nozzles within 24 months 
after the effective date of this AD.

Costs of Compliance

    We estimate that this proposed AD affects 72 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
----------------------------------------------------------------------------------------------------------------
Inspect fuel nozzles...............  2.2 work-hours x $85 per                 $0            $187         $13,464
                                      hour = $187.
Open and close cowl doors (on-wing)  1 work-hour x $85 per hour                0              85           6,120
                                      = $85.
Remove and replace (24) fuel         48 work-hours x $85 per          423,471.12      427,551.12   30,783,680.64
 nozzles.                             hour = $4,080.
Remove and re-install necessary      23 work-hours x $85 per                   0           1,955         140,760
 hardware according to AMM.           hour = $1,955.
Replace Fuel Supply Manifold Tubes   16 work-hours x $85 per           77,158.97       78,518.97    5,653,365.84
 and install new clamps/brackets.     hour = $1,360.
----------------------------------------------------------------------------------------------------------------

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

Regulatory Findings

    We have 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 that the 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),
    (3) Will not affect intrastate aviation in Alaska, 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 removing Airworthiness Directive (AD) 
2016-22-05, Amendment 39-18694 (81 FR 75686, November 1, 2016), and 
adding the following new AD:

Pratt & Whitney Division: Docket No. FAA-2018-0920; Product 
Identifier 2016-NE-09-AD.

(a) Comments Due Date

    The FAA must receive comments on this AD action by January 3, 
2019.

(b) Affected ADs

    This AD replaces AD 2016-22-05, Amendment 39-18694 (81 FR 75686, 
November 1, 2016).

(c) Applicability

    This AD applies to Pratt & Whitney Division (PW):
    (1) PW4164, PW4168, and PW4168A model engines that have fuel 
nozzles, part number (P/N) 51J345, installed, and that have any of 
the following installed: Talon IIB combustion chamber per PW Service 
Bulletin (SB) PW4G-100-72-214, dated December 15, 2011; ring case 
configuration (RRC) high-pressure compressor (HPC) per PW SB PW4G-
100-72-219, Revision No. 1, dated October 5, 2011, or original 
issue; or the outer combustion chamber assembly waspaloy nuts per PW 
SB PW4G-100-72-253, dated November 24, 2014;
    (2) PW4168A model engines with Talon IIA outer combustion 
chamber assembly, P/N 51J100 or 51J382, and fuel nozzles, P/N 
51J345, with serial numbers CGGUA19703 through CGGUA19718, 
inclusive, or CGGUA22996 and higher, installed;
    (3) PW4168A-1D and PW4170 model engines with engine serial 
numbers P735001 through P735190, inclusive, and fuel nozzles, P/N 
51J345, installed; and
    (4) PW4164-1D, PW4168-1D, PW4168A-1D, and PW4170 model engines 
that have installed the RRC HPC per PW SB PW4G-100-72-220, Revision 
No. 4, dated September 30, 2011, or earlier revision, and have fuel 
nozzles, P/N 51J345, installed.

(d) Subject

    Joint Aircraft System Component (JASC) Code 7310, Engine Fuel 
Distribution.

(e) Unsafe Condition

    This AD was prompted by several instances of fuel leaks on PW 
engines with the Talon IIB combustion chamber configuration 
installed. We are issuing this AD to prevent failure of the fuel 
nozzles. The unsafe condition, if not addressed, could result in 
engine fire and damage to the airplane.

[[Page 58196]]

(f) Compliance

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

(g) Required Actions

    (1) Within 800 flight hours (FHs) after December 6, 2016, the 
effective date of AD 2016-22-05, or before further flight, whichever 
occurs later, and after that within every 800 FHs accumulated on the 
fuel nozzles, perform the following:
    (i) Inspect all fuel nozzles, P/N 51J345, in accordance with 
Part A, of PW Alert Service Bulletin (ASB) PW4G-100-A73-45, dated 
February 16, 2016.
    (ii) For any fuel nozzle that fails the inspection, before 
further flight, remove and replace with a part that is eligible for 
installation.
    (2) At next shop visit or within 24 months after the effective 
date of this AD, whichever occurs first, perform the following:
    (i) Remove all fuel nozzles, P/N 51J345, in accordance with Part 
A, of PW ASB PW4G-100-A73-47, dated March 10, 2017, and replace with 
parts eligible for installation.
    (ii) Replace the fuel nozzle manifold supply assemblies and 
install the new brackets and clamps on the fuel supply manifolds in 
accordance with Accomplishment Instructions, ``For Engines Installed 
on Aircraft'' or ``For Engines Not Installed on Aircraft,'' of PW SB 
PW4G-100-73-48, Revision No. 1, dated April 24, 2018.

(h) Definitions

    (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 for 
the following situations, which do not constitute an engine shop 
visit:
    (i) Separation of engine flanges solely for the purposes of 
transportation of the engine without subsequent maintenance.
    (ii) Separation of engine flanges solely for the purpose of 
replacing the fan or propulsor without subsequent engine 
maintenance.
    (2) For the purpose of this AD, a part that is ``eligible for 
installation'' is a fuel nozzle with a P/N other than 51J345 that is 
FAA-approved for installation, and that meets the requirements of 
Part A, paragraph 5.B., or Part B, paragraph 2, of PW ASB PW4G-100-
A73-47, dated March 10, 2017.

(i) Terminating Action

    Installation of the eligible fuel nozzles, replacement of 
manifold supply assemblies, and installation of brackets and clamps 
in accordance with (g)(2) of this AD constitutes terminating action 
for the repetitive inspection requirements of paragraph (g)(1) of 
this AD.

(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)(1) 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

    (1) For more information about this AD, contact Scott Hopper, 
Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue, 
Burlington, MA 01803; phone: 781-238-7154; fax: 781-238-7199; email: 
[email protected].
    (2) For service information identified in this AD, contact Pratt 
& Whitney Division, 400 Main St., East Hartford, CT 06108; phone: 
860-565-8770; fax: 860-565-4503. You may view this service 
information at the FAA, Engine & Propeller Standards Branch, 1200 
District Avenue, Burlington, MA 01803. For information on the 
availability of this material at the FAA, call 781-238-7759.

    Issued in Burlington, Massachusetts, on November 9, 2018.
Karen M. Grant,
Acting Manager, Engine and Propeller Standards Branch, Aircraft 
Certification Service.
[FR Doc. 2018-24965 Filed 11-16-18; 8:45 am]
 BILLING CODE 4910-13-P

58194 Federal Register / Vol. 83, No. 223 / Monday, November 19, 2018 / Proposed Rules

DEPARTMENT OF TRANSPORTATION District Avenue, Burlington, MA 01803. lead to engine fire and damage to the
For information on the availability of airplane.
Federal Aviation Administration this material at the FAA, call 781–238–
7759. Actions Since AD 2016–22–05 Was
14 CFR Part 39 Issued
Examining the AD Docket
[Docket No. FAA–2018–0920; Product Since we issued AD 2016–22–05,
Identifier 2016–NE–09–AD] You may examine the AD docket on
multiple PW4000 turbofan engines
the internet at http://
RIN 2120–AA64 experienced fuel leaks resulting in
www.regulations.gov by searching for
and locating Docket No. FAA–2018– engine fires. A subsequent review of the
Airworthiness Directives; Pratt & 0920; or in person at Docket Operations potential causes identified cracks in the
Whitney Division Turbofan Engines between 9 a.m. and 5 p.m., Monday fuel manifold at the braze joint. As a
AGENCY: Federal Aviation through Friday, except Federal holidays. result, PW published PW Alert Service
Administration (FAA), DOT. The AD docket contains this NPRM, the Bulletin (ASB) PW4G–100–A73–47,
regulatory evaluation, any comments dated March 10, 2017, and PW Service
ACTION: Notice of proposed rulemaking
received, and other information. The Bulletin (SB) PW4G–100–73–48,
(NPRM).
street address for Docket Operations Revision No. 1, dated April 24, 2018, to
SUMMARY: We propose to supersede (phone: 800–647–5527) is listed above. introduce a forged fuel nozzle that
Airworthiness Directive (AD) 2016–22– Comments will be available in the AD removes the brazed inlet fitting and
05, which applies to certain Pratt & docket shortly after receipt. adds new brackets and clamps to the
Whitney Division (PW) PW4164, FOR FURTHER INFORMATION CONTACT: fuel supply manifolds to dampen
PW4164–1D, PW4168, PW4168–1D, Scott Hopper, Aerospace Engineer, ECO combustion chamber vibrations.
PW4168A, PW4168A–1D, and PW4170 Branch, FAA, 1200 District Avenue,
turbofan engines. AD 2016–22–05 Related Service Information Under 1
Burlington, MA 01803; phone: 781–
requires initial and repetitive CFR Part 51
238–7154; fax: 781–238–7199; email:
inspections of the affected fuel nozzles scott.hopper@faa.gov. We reviewed PW ASB PW4G–100–
and their replacement with parts SUPPLEMENTARY INFORMATION: A73–45, dated February 16, 2016; PW
eligible for installation. Since we issued
ASB PW4G–100–A73–47, dated March
AD 2016–22–05, PW introduced newly Comments Invited
10, 2017; and PW SB PW4G–100–73–48,
forged fuel nozzles, fuel manifold We invite you to send any written Revision No. 1, dated April 24, 2018.
brackets, and clamps. This proposed AD relevant data, views, or arguments about
would require initial and repetitive PW ASB PW4G–100–A73–45 describes
this proposed AD. Send your comments procedures for inspecting and replacing
inspections of the affected fuel nozzles to an address listed under the
and fuel nozzle supply manifold the fuel nozzles. PW ASB PW4G–100–
ADDRESSES section. Include ‘‘Docket No. A73–47 describes procedures for
assemblies, replacement of the affected FAA–2018–0920; Product Identifier
fuel nozzles with parts eligible for replacing the fuel nozzle and support
2016–NE–09–AD’’ at the beginning of assembly. PW SB PW4G–100–73–48
installation, and the installation of new your comments. We specifically invite
brackets and clamps on the fuel supply describes procedures for replacing the
comments on the overall regulatory,
manifold assemblies with parts eligible fuel nozzle manifold assemblies and
economic, environmental, and energy
for installation. We are proposing this aspects of this NPRM. We will consider installing new brackets and clamps on
AD to address the unsafe condition on all comments received by the closing the manifolds. This service information
these products. date and may amend this NPRM is reasonably available because the
DATES: We must receive comments on because of those comments. interested parties have access to it
this proposed AD by January 3, 2019. We will post all comments we through their normal course of business
ADDRESSES: You may send comments, receive, without change, to http:// or by the means identified in the
using the procedures found in 14 CFR www.regulations.gov, including any ADDRESSES section.
11.43 and 11.45, by any of the following personal information you provide. We FAA’s Determination
methods: will also post a report summarizing each
• Federal eRulemaking Portal: Go to substantive verbal contact we receive We are proposing this AD because we
http://www.regulations.gov. Follow the about this proposed AD. evaluated all the relevant information
instructions for submitting comments. and determined the unsafe condition
Discussion
• Fax: 202–493–2251. described previously is likely to exist or
• Mail: U.S. Department of We issued AD 2016–22–05, develop in other products of the same
Transportation, Docket Operations, Amendment 39–18694 (81 FR 75686, type design.
M–30, West Building Ground Floor, November 1, 2016), (‘‘AD 2016–22–05’’),
Room W12–140, 1200 New Jersey for certain PW PW4164, PW4164–1D, Proposed AD Requirements
Avenue SE, Washington, DC 20590. PW4168, PW4168–1D, PW4168A,
• Hand Delivery: Deliver to Mail PW4168A–1D, and PW4170 turbofan This proposed AD would retain all
address above between 9 a.m. and 5 engines. AD 2016–22–05 requires initial requirements of AD 2016–22–05. This
p.m., Monday through Friday, except and repetitive inspections of the proposed AD would require initial and
khammond on DSK30JT082PROD with PROPOSAL

Federal holidays. affected fuel nozzles and their repetitive inspections and replacement
For service information identified in replacement with parts eligible for of the affected fuel nozzles. This
this NPRM, contact Pratt & Whitney installation. AD 2016–22–05 resulted proposed AD would also require
Division, 400 Main St., East Hartford, from several instances of fuel leaks on replacement of the affected fuel nozzle
CT 06108; phone: 860–565–8770; fax: PW engines installed with the Talon IIB supply manifold assemblies and the
860–565–4503. You may view this combustion chamber configuration. We installation of new brackets and clamps
service information at the FAA, Engine issued AD 2016–22–05 to prevent on the fuel supply manifold assemblies
& Propeller Standards Branch, 1200 failure of the fuel nozzles, which could with parts eligible for installation.

VerDate Sep<11>2014 16:52 Nov 16, 2018 Jkt 247001 PO 00000 Frm 00004 Fmt 4702 Sfmt 4702 E:\FR\FM\19NOP1.SGM 19NOP1

58196 Federal Register / Vol. 83, No. 223 / Monday, November 19, 2018 / Proposed Rules

(f) Compliance to the manager of the certification office, DATES: We must receive comments on
Comply with this AD within the send it to the attention of the person this proposed AD by January 3, 2019.
compliance times specified, unless already identified in paragraph (k)(1) of this AD. You
ADDRESSES: You may send comments,
done. may email your request to: ANE-AD-AMOC@
faa.gov. using the procedures found in 14 CFR
(g) Required Actions (2) Before using any approved AMOC, 11.43 and 11.45, by any of the following
(1) Within 800 flight hours (FHs) after notify your appropriate principal inspector, methods:
December 6, 2016, the effective date of AD or lacking a principal inspector, the manager • Federal eRulemaking Portal: Go to
2016–22–05, or before further flight, of the local flight standards district office/ http://www.regulations.gov. Follow the
whichever occurs later, and after that within certificate holding district office. instructions for submitting comments.
every 800 FHs accumulated on the fuel (k) Related Information • Fax: 202–493–2251.
nozzles, perform the following: • Mail: U.S. Department of
(i) Inspect all fuel nozzles, P/N 51J345, in (1) For more information about this AD,
contact Scott Hopper, Aerospace Engineer, Transportation, Docket Operations,
accordance with Part A, of PW Alert Service
ECO Branch, FAA, 1200 District Avenue, M–30, West Building Ground Floor,
Bulletin (ASB) PW4G–100–A73–45, dated
February 16, 2016. Burlington, MA 01803; phone: 781–238– Room W12–140, 1200 New Jersey
(ii) For any fuel nozzle that fails the 7154; fax: 781–238–7199; email: Avenue SE, Washington, DC 20590.
inspection, before further flight, remove and scott.hopper@faa.gov. • Hand Delivery: Deliver to Mail
replace with a part that is eligible for (2) For service information identified in address above between 9 a.m. and
installation. this AD, contact Pratt & Whitney Division, 5 p.m., Monday through Friday, except
(2) At next shop visit or within 24 months 400 Main St., East Hartford, CT 06108; Federal holidays.
after the effective date of this AD, whichever phone: 860–565–8770; fax: 860–565–4503. For service information identified in
occurs first, perform the following: You may view this service information at the
FAA, Engine & Propeller Standards Branch,
this NPRM, contact Boeing Commercial
(i) Remove all fuel nozzles, P/N 51J345, in Airplanes, Attention: Contractual & Data
accordance with Part A, of PW ASB PW4G– 1200 District Avenue, Burlington, MA 01803.
100–A73–47, dated March 10, 2017, and For information on the availability of this Services (C&DS), 2600 Westminster
replace with parts eligible for installation. material at the FAA, call 781–238–7759. Blvd., MC 110–SK57, Seal Beach, CA
(ii) Replace the fuel nozzle manifold Issued in Burlington, Massachusetts, on
90740–5600; telephone 562–797–1717;
supply assemblies and install the new November 9, 2018. internet https://
brackets and clamps on the fuel supply
Karen M. Grant,
www.myboeingfleet.com. You may view
manifolds in accordance with this referenced service information at
Accomplishment Instructions, ‘‘For Engines Acting Manager, Engine and Propeller
Standards Branch, Aircraft Certification
the FAA, Transport Standards Branch,
Installed on Aircraft’’ or ‘‘For Engines Not 2200 South 216th St., Des Moines, WA.
Installed on Aircraft,’’ of PW SB PW4G–100– Service.
[FR Doc. 2018–24965 Filed 11–16–18; 8:45 am]
For information on the availability of
73–48, Revision No. 1, dated April 24, 2018.
this material at the FAA, call 206–231–
BILLING CODE 4910–13–P
(h) Definitions 3195. It is also available on the internet
(1) For the purpose of this AD, an ‘‘engine at http://www.regulations.gov by
shop visit’’ is the induction of an engine into DEPARTMENT OF TRANSPORTATION searching for and locating Docket No.
the shop for maintenance involving the FAA–2018–0961.
separation of pairs of major mating engine Federal Aviation Administration
case flanges, except for the following Examining the AD Docket
situations, which do not constitute an engine You may examine the AD docket on
shop visit: 14 CFR Part 39
the internet at http://
(i) Separation of engine flanges solely for [Docket No. FAA–2018–0961; Product
the purposes of transportation of the engine
www.regulations.gov by searching for
Identifier 2018–NM–121–AD] and locating Docket No. FAA–2018–
without subsequent maintenance.
(ii) Separation of engine flanges solely for RIN 2120–AA64 0961; or in person at the Docket
the purpose of replacing the fan or propulsor Management Facility between 9 a.m.
without subsequent engine maintenance. Airworthiness Directives; The Boeing and 5 p.m., Monday through Friday,
(2) For the purpose of this AD, a part that Company Airplanes except Federal holidays. The AD docket
is ‘‘eligible for installation’’ is a fuel nozzle contains this NPRM, the regulatory
with a P/N other than 51J345 that is FAA- AGENCY: Federal Aviation
Administration (FAA), DOT. evaluation, any comments received, and
approved for installation, and that meets the other information. The street address for
requirements of Part A, paragraph 5.B., or ACTION: Notice of proposed rulemaking
Part B, paragraph 2, of PW ASB PW4G–100–
the Docket Office (phone: 800–647–
(NPRM). 5527) is in the ADDRESSES section.
A73–47, dated March 10, 2017.
SUMMARY: We propose to adopt a new Comments will be available in the AD
(i) Terminating Action docket shortly after receipt.
airworthiness directive (AD) for certain
Installation of the eligible fuel nozzles, The Boeing Company Model 737–100, FOR FURTHER INFORMATION CONTACT:
replacement of manifold supply assemblies, Frank Carreras, Aerospace Engineer,
–200, –200C, –300, –400, and –500
and installation of brackets and clamps in
series airplanes. This proposed AD was Systems and Equipment Section, FAA,
accordance with (g)(2) of this AD constitutes
terminating action for the repetitive prompted by reports indicating that the Seattle ACO Branch, 2200 South 216th
inspection requirements of paragraph (g)(1) pitot heat switch is not always set to St., Des Moines, WA 98198; phone and
of this AD. ON, which could result in misleading fax: 206–231–3539; email:
air data. This proposed AD would frank.carreras@faa.gov.
khammond on DSK30JT082PROD with PROPOSAL

(j) Alternative Methods of Compliance
(AMOCs) require replacement of pitot anti-icing SUPPLEMENTARY INFORMATION:
system components, installation of a
(1) The Manager, ECO Branch, FAA, has
junction box and wiring provisions, Comments Invited
the authority to approve AMOCs for this AD,
if requested using the procedures found in 14 repetitive testing of the anti-icing We invite you to send any written
CFR 39.19. In accordance with 14 CFR 39.19, system, and applicable on-condition relevant data, views, or arguments about
send your request to your principal inspector actions. We are proposing this AD to this proposal. Send your comments to
or local Flight Standards District Office, as address the unsafe condition on these an address listed under the ADDRESSES
appropriate. If sending information directly products. section. Include ‘‘Docket No. FAA–

VerDate Sep<11>2014 16:52 Nov 16, 2018 Jkt 247001 PO 00000 Frm 00006 Fmt 4702 Sfmt 4702 E:\FR\FM\19NOP1.SGM 19NOP1

Document Created: 2018-11-17 02:47:23
Document Modified: 2018-11-17 02:47:23

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 January 3, 2019.
Contact		Scott Hopper, Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781- 238-7154; fax: 781-238-7199; email: [email protected]
FR Citation		83 FR 58194
RIN Number		2120-AA64
CFR Associated		Air Transportation; Aircraft and Aviation Safety

83 FR 58194 - Airworthiness Directives; Pratt & Whitney Division Turbofan Engines

DEPARTMENT OF TRANSPORTATIONFederal Aviation Administration

Federal Register Volume 83, Issue 223 (November 19, 2018)

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration