Airworthiness Directives; Pratt & Whitney JT8D-200 Series Turbofan Engines, 677-679 [05-84]
Download as PDF
<![CDATA[
Federal Register / Vol. 70, No. 3 / Wednesday, January 5, 2005 / Rules and Regulations
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. 92–ANE–15–AD; Amendment
39–13916; AD 2004–26–04]
RIN 2120–AA64
Airworthiness Directives; Pratt &
Whitney JT8D–200 Series Turbofan
Engines
Federal Aviation
Administration (FAA), DOT.
ACTION: Final rule.
SUMMARY: The FAA is superseding
existing airworthiness directive (AD)
99–22–14 for Pratt & Whitney (PW)
JT8D–200 series turbofan engines. That
AD currently requires removing low
pressure turbine (LPT)-to-exhaust case
bolts and nuts and replacement with
improved LPT-to-exhaust case bolts and
nuts on JT8D–209, –217, –217A, –217C,
and –219 engines. That AD also requires
installation of improved high pressure
turbine (HPT) containment hardware on
JT8D–217C, and –219 engines. This AD
requires installation of improved HPT
containment hardware on JT8D–209,
–217, –217A, –217C, and –219 engines.
This AD results from four reports of
uncontained HPT failures of JT8D–200
series engines, since AD 99–22–14 was
issued. We are issuing this AD to
prevent uncontained HPT events
resulting from HPT shaft fractures.
DATES: This AD becomes effective
February 9, 2005. The Director of the
Federal Register approved the
incorporation by reference of certain
publications listed in the regulations as
of February 9, 2005. The Director of the
Federal Register previously approved
the incorporation by reference of certain
other publications as listed in the
regulations as of December 28, 1999 (64
FR 58328, October 29, 1999).
ADDRESSES: You can get the service
information identified in this AD from
Pratt & Whitney, 400 Main St., East
Hartford, CT 06108; telephone (860)
565–7700; fax (860) 565–1605.
You may examine the AD docket at
the FAA, New England Region, Office of
the Regional Counsel, 12 New England
Executive Park, Burlington, MA. You
may examine the service information, at
the FAA, New England Region, Office of
the Regional Counsel, 12 New England
Executive Park, Burlington, MA; or at
the National Archives and Records
Administration (NARA). For
information on the availability of this
material at NARA, call 202–741–6030,
or go to: https://www.archives.gov/
VerDate jul<14>2003
16:19 Jan 04, 2005
Jkt 205001
Authority for this Rulemaking
federal_register/
code_of_federal_regulations/
ibr_locations.html.
FOR FURTHER INFORMATION CONTACT:
Keith Lardie, Aerospace Engineer,
Engine Certification Office, FAA, Engine
and Propeller Directorate, 12 New
England Executive Park, Burlington, MA
01803–5299; telephone (781) 238–7189;
fax (781) 238–7199.
A
proposal to amend part 39 of the Federal
Aviation Regulations (14 CFR part 39)
was published in the Federal Register
on July 15, 2004 (69 FR 42356). That
action proposed to require installation
of improved HPT containment hardware
on JT8D–209, –217, –217A, –217C, and
–219 engines in accordance with Pratt &
Whitney Alert Service Bulletin (ASB)
No. JT8D A6346, dated September 10,
1998, or Revision 1, dated April 23,
1999, or Revision 2, dated December 1,
1999, or Revision 3, dated May 21, 2004.
We published the proposed AD in the
Federal Register on July 15, 2004 (69 FR
42356).
SUPPLEMENTARY INFORMATION:
AGENCY:
Examining the AD Docket
You may examine the AD Docket
(including any comments and service
information), by appointment, between
8 a.m. and 4:30 p.m., Monday through
Friday, except Federal holidays. See
ADDRESSES for the location.
Comments
We provided the public the
opportunity to participate in the
development of this AD. We have
considered the one comment received.
The commenter supports the proposal.
Conclusion
We have carefully reviewed the
available data, including the comment
received, and determined that air safety
and the public interest require adopting
the AD as proposed.
Costs of Compliance
There are about 2,345 PW JT8D–200
series turbofan engines of the affected
design in the worldwide fleet. We
estimate that 1,143 engines are installed
on airplanes of U.S. registry, and that
280 engines will be affected by this AD.
We estimate that 80% of the –217C and
–219 engines already have the improved
HPT containment hardware installed.
We also estimate that no additional
labor costs will be incurred when these
parts are installed during engine shop
visit. Required parts will cost about
$19,991 per engine. Based on these
figures, we estimate the total cost of the
AD to U.S. operators to be $5,597,480.
PO 00000
Frm 00017
Fmt 4700
Sfmt 4700
677
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.
Regulatory Findings
We have determined that 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) Is not a ‘‘significant rule’’ under
DOT Regulatory Policies and Procedures
(44 FR 11034, February 26, 1979); 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.
We prepared a summary of the costs
to comply with this AD and placed it in
the AD Docket. You may get a copy of
this summary by sending a request to us
at the address listed under ADDRESSES.
Include ‘‘AD Docket No. 92–ANE–15–
AD’’ in your request.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation
safety, Incorporation by reference,
Safety.
Adoption of the Amendment
Accordingly, under the authority
delegated to me by the Administrator,
the Federal Aviation Administration
amends 14 CFR part 39 as follows:
I
E:\FR\FM\05JAR1.SGM
05JAR1
678
Federal Register / Vol. 70, No. 3 / Wednesday, January 5, 2005 / Rules and Regulations
Effective Date
(a) This AD becomes effective February 9,
2005.
PART 39—AIRWORTHINESS
DIRECTIVES
1. The authority citation for part 39
continues to read as follows:
I
Authority: 49 U.S.C. 106(g), 40113, 44701.
§ 39.13
[Amended]
99–22–14 was issued. We are issuing this AD
to prevent uncontained HPT events resulting
from HPT shaft fractures.
Affected ADs
(b) This AD supersedes AD 99–22–14,
Amendment 39–11392.
Compliance
2. The FAA amends § 39.13 by
removing Amendment 39–11392 (64 FR
58328, October 29, 1999) and by adding
a new airworthiness directive (AD),
Amendment 39–13916, to read as
follows:
Applicability
(c) This AD applies to Pratt & Whitney
(PW) JT8D–209, –217, –217A, –217C, and
–219 turbofan engines. These engines are
installed on, but not limited to, Boeing 727
series and McDonnell Douglas MD–80 series
airplanes.
2004–26–04 Pratt & Whitney: Amendment
39–13916. Docket No. 92–ANE–15–AD.
Supersedes AD 99–22–14, Amendment
39–11392.
Unsafe Condition
(d) This AD results from four reports of
uncontained high pressure turbine (HPT)
failures of JT8D–200 series engines, since AD
I
(e) You are responsible for having the
actions required by this AD performed within
the compliance times specified unless the
actions have already been done.
(f) Install the improved HPT containment
hardware. Use the applicable compliance
schedule in Table 1 of this AD, and
paragraphs 1. through 3.G. of the
Accomplishment Instructions of PW Alert
Service Bulletin (ASB) No. JT8D A6346,
dated September 10, 1998, or Revision 1,
dated April 23, 1999, or Revision 2, dated
December 1, 1999, or Revision 3, dated May
21, 2004.
TABLE 1.—COMPLIANCE SCHEDULE
For engine models:
Install improved HPT containment hardware:
JT8D–217C and –219 ..............................................................................
At the next engine shop visit after the effective date of this AD, but no
later than December 31, 2004.
At the next engine shop visit after the effective date of this AD, but no
later than December 31, 2007.
JT8D–209, –217, and –217A ...................................................................
Definition
(g) For the purpose of this AD, an engine
shop visit is defined as engine maintenance
that involves the separation of the J and K
flanges.
Alternative Methods of Compliance
(h) The Manager, Engine Certification
Office, has the authority to approve
alternative methods of compliance for this
AD if requested using the procedures found
in 14 CFR 39.19.
Material Incorporated by Reference
(i) You must use the Pratt & Whitney Alert
Service Bulletins listed in Table 2 of this AD
to perform the installations required by this
AD. The Director of the Federal Register
approved the incorporation by reference of
ASB No. A6346, Revision 2 and Revision 3,
listed in Table 2 of this AD in accordance
with 5 U.S.C. 552(a) and 1 CFR part 51. The
Director of the Federal Register previously
approved the incorporation by reference of
ASB No. JT8D A6346, dated September 10,
1998, and ASB No. JT8D A6346 Revision 1,
dated April 23, 1999, as of December 28,
1999 (64 FR 58328, October 29, 1999). You
can get copies from Pratt & Whitney, 400
Main St., East Hartford, CT 06108; telephone
(860) 565–7700; fax (860) 565–1605. You can
review copies at the FAA, New England
Region, Office of the Regional Counsel, 12
New England Executive Park, Burlington,
MA; or at the National Archives and Records
Administration (NARA). For information on
the availability of this material at NARA, call
202–741–6030, or go to: https://
www.archives.gov/federal_register/
code_of_federal_regulations/
ibr_locations.html. Table 2 follows:
TABLE 2.—INCORPORATION BY REFERENCE
Alert service Bulletin No.
Page number(s) shown on the page
Revision level shown on the page
Date shown on the
page
JT8D A6346 ..........................................
Total Pages: 23
JT8D A6346 ..........................................
ALL .......................................................
Original .................................................
September 10, 1998.
1,2 ........................................................
3 ...........................................................
4 ...........................................................
5,6 ........................................................
7–25 .....................................................
1 ...........................................................
Original .................................................
1 ...........................................................
Original .................................................
1 ...........................................................
April 23, 1999.
September 10, 1998.
April 23, 1999.
September 10, 1998.
April 23, 1999.
1,2 ........................................................
3 ...........................................................
4,5 ........................................................
6 ...........................................................
7 ...........................................................
8 ...........................................................
9–13 .....................................................
14 .........................................................
15–21 ...................................................
22 .........................................................
23–25 ...................................................
2 ...........................................................
Original .................................................
2 ...........................................................
Original .................................................
1 ...........................................................
2 ...........................................................
1 ...........................................................
2 ...........................................................
1 ...........................................................
2 ...........................................................
1 ...........................................................
December 1, 1999.
September 10, 1998.
December 1, 1999.
September 10, 1998.
April 23, 1999.
December 1, 1999.
April 23, 1999.
December 1, 1999.
April 23, 1999.
December 1, 1999.
April 23, 1999.
ALL .......................................................
3 ...........................................................
May 21, 2004.
PO 00000
E:\FR\FM\05JAR1.SGM
Total Pages: 25
JT8D A6346 ..........................................
Total Pages: 25
JT8D A6346 ..........................................
Total Pages: 22
VerDate jul<14>2003
16:19 Jan 04, 2005
Jkt 205001
Frm 00018
Fmt 4700
Sfmt 4700
05JAR1
Federal Register / Vol. 70, No. 3 / Wednesday, January 5, 2005 / Rules and Regulations
Related Information
(j) None.
Issued in Burlington, Massachusetts, on
December 20, 2004.
Francis A. Favara,
Acting Manager, Engine and Propeller
Directorate, Aircraft Certification Service.
[FR Doc. 05–84 Filed 1–4–05; 8:45 am]
BILLING CODE 4910–13–P
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA–2004–19200; Directorate
Identifier 2003–NM–195–AD; Amendment
39–13927; AD 2005–01–03]
RIN 2120–AA64
Airworthiness Directives; Boeing
Model 747–100, –100B, –100B SUD,
–200B, –200C, –200F, and –300 Series
Airplanes; and Model 747SP and
747SR Series Airplanes; Equipped
With Pratt & Whitney JT9D–3 and –7
(Except –70) Series Engines or General
Electric CF6–50 Series Engines With
Modified JT9D–7 Inboard Struts
Federal Aviation
Administration (FAA), DOT.
ACTION: Final rule.
AGENCY:
SUMMARY: The FAA is adopting a new
airworthiness directive (AD) for certain
Boeing airplanes listed above. This AD
requires repetitive detailed inspections
of the midspar web of the inboard and/
or outboard struts for cracking,
disbonding, or buckling; repetitive
detailed inspections of the midspar
stiffeners for any crack or fracture;
related investigative actions; and
corrective actions, if necessary. This AD
is prompted by reports of cracking in
the midspar web. We are issuing this
AD to detect and correct cracking in the
midspar assembly, which could result
in the loss of the midspar assembly load
path, and could, combined with the loss
of the nacelle station 180 bulkhead load
path, lead to the separation of the
engine from the airplane.
DATES: This AD becomes effective
February 9, 2005.
The incorporation by reference of a
certain publication listed in the AD is
approved by the Director of the Federal
Register as of February 9, 2005.
ADDRESSES: For service information
identified in this AD, contact Boeing
Commercial Airplanes, P.O. Box 3707,
Seattle, Washington 98124–2207. You
can examine this information at the
National Archives and Records
Administration (NARA). For
VerDate jul<14>2003
16:19 Jan 04, 2005
Jkt 205001
information on the availability of this
material at NARA, call (202) 741–6030,
or go to: https://www.archives.gov/
federal_register/
code_of_federal_regulations/
ibr_locations.html.
You can examine the contents of this
AD docket on the Internet at https://
dms.dot.gov, or in person at the Docket
Management Facility, U.S. Department
of Transportation, 400 Seventh Street
SW., room PL–401, on the plaza level of
the Nassif Building, Washington, DC.
This docket number is FAA–2004–
19200; the directorate identifier for this
docket is 2003–NM–195–AD.
FOR FURTHER INFORMATION CONTACT:
Candice Gerretsen, Aerospace Engineer,
Airframe Branch, ANM–120S, FAA,
Seattle Aircraft Certification Office,
1601 Lind Avenue, SW., Renton,
Washington 98055–4056; telephone
(425) 917–6428; fax (425) 917–6590.
Examining the Docket
The AD docket contains the proposed
AD, comments, and any final
disposition. You can examine the AD
docket on the Internet at https://
dms.dot.gov, or in person at the Docket
Management Facility office between 9
a.m. and 5 p.m., Monday through
Friday, except Federal holidays. The
Docket Management Facility office
(telephone (800) 647–5227) is located on
the plaza level of the Nassif Building at
the DOT street address stated in the
ADDRESSES section.
SUPPLEMENTARY INFORMATION: The FAA
proposed to amend 14 CFR Part 39 with
an AD for certain Boeing Model 747–
100, –100B, –100B SUD, –200B, –200C,
–200F, and –300 series airplanes; and
Model 747SP and 747SR series
airplanes; equipped with Pratt &
Whitney JT9D–3 and –7 (except –70)
series engines or General Electric CF6–
50 series engines with modified JT9D–
7 inboard struts. That action, published
in the Federal Register on September
29, 2004 (69 FR 58101), proposed to
require repetitive detailed inspections of
the midspar web of the inboard and/or
outboard struts for cracking, disbonding,
or buckling; repetitive detailed
inspections of the midspar stiffeners for
any crack or fracture; related
investigative actions; and corrective
actions, if necessary.
Comments
We provided the public the
opportunity to participate in the
development of this AD. We have
considered the comment that has been
submitted on the proposed AD. The
commenter, the manufacturer, supports
the proposed AD.
PO 00000
Frm 00019
Fmt 4700
Sfmt 4700
679
Conclusion
We have carefully reviewed the
available data, including the comment
that has been submitted, and
determined that air safety and the
public interest require adopting the AD
as proposed.
Costs of Compliance
There are about 228 airplanes of the
affected design worldwide and 78
airplanes of U.S. registry. The actions
will take about 6 to 13 work hours per
airplane, at an average labor rate of $65
per work hour. Based on these figures,
the estimated cost of the AD for U.S.
operators is between $30,420 and
$65,910, or between $390 and $845 per
airplane, per inspection cycle.
Authority for This Rulemaking
The FAA’s authority to issue rules
regarding aviation safety is found in
Title 49 of the United States Code.
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.
This rulemaking is promulgated
under the authority described in
Subtitle VII, Part A, Subpart III, Section
44701, ‘‘General requirements.’’ Under
that section, the FAA is charged with
promoting safety 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
AD.
Regulatory Findings
We have determined that 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 the 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); 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. We prepared a
regulatory evaluation of the estimated
costs to comply with this AD. See the
E:\FR\FM\05JAR1.SGM
05JAR1
]]>Agencies
[Federal Register Volume 70, Number 3 (Wednesday, January 5, 2005)]
[Rules and Regulations]
[Pages 677-679]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 05-84]
[[Page 677]]
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. 92-ANE-15-AD; Amendment 39-13916; AD 2004-26-04]
RIN 2120-AA64
Airworthiness Directives; Pratt & Whitney JT8D-200 Series
Turbofan Engines
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
-----------------------------------------------------------------------
SUMMARY: The FAA is superseding existing airworthiness directive (AD)
99-22-14 for Pratt & Whitney (PW) JT8D-200 series turbofan engines.
That AD currently requires removing low pressure turbine (LPT)-to-
exhaust case bolts and nuts and replacement with improved LPT-to-
exhaust case bolts and nuts on JT8D-209, -217, -217A, -217C, and -219
engines. That AD also requires installation of improved high pressure
turbine (HPT) containment hardware on JT8D-217C, and -219 engines. This
AD requires installation of improved HPT containment hardware on JT8D-
209, -217, -217A, -217C, and -219 engines. This AD results from four
reports of uncontained HPT failures of JT8D-200 series engines, since
AD 99-22-14 was issued. We are issuing this AD to prevent uncontained
HPT events resulting from HPT shaft fractures.
DATES: This AD becomes effective February 9, 2005. The Director of the
Federal Register approved the incorporation by reference of certain
publications listed in the regulations as of February 9, 2005. The
Director of the Federal Register previously approved the incorporation
by reference of certain other publications as listed in the regulations
as of December 28, 1999 (64 FR 58328, October 29, 1999).
ADDRESSES: You can get the service information identified in this AD
from Pratt & Whitney, 400 Main St., East Hartford, CT 06108; telephone
(860) 565-7700; fax (860) 565-1605.
You may examine the AD docket at the FAA, New England Region,
Office of the Regional Counsel, 12 New England Executive Park,
Burlington, MA. You may examine the service information, at the FAA,
New England Region, Office of the Regional Counsel, 12 New England
Executive Park, Burlington, MA; or at the National Archives and Records
Administration (NARA). For information on the availability of this
material at NARA, call 202-741-6030, or go to: https://www.archives.gov/
federal_register/code_of_federal_regulations/ibr_locations.html.
FOR FURTHER INFORMATION CONTACT: Keith Lardie, Aerospace Engineer,
Engine Certification Office, FAA, Engine and Propeller Directorate, 12
New England Executive Park, Burlington, MA 01803-5299; telephone (781)
238-7189; fax (781) 238-7199.
SUPPLEMENTARY INFORMATION: A proposal to amend part 39 of the Federal
Aviation Regulations (14 CFR part 39) was published in the Federal
Register on July 15, 2004 (69 FR 42356). That action proposed to
require installation of improved HPT containment hardware on JT8D-209,
-217, -217A, -217C, and -219 engines in accordance with Pratt & Whitney
Alert Service Bulletin (ASB) No. JT8D A6346, dated September 10, 1998,
or Revision 1, dated April 23, 1999, or Revision 2, dated December 1,
1999, or Revision 3, dated May 21, 2004. We published the proposed AD
in the Federal Register on July 15, 2004 (69 FR 42356).
Examining the AD Docket
You may examine the AD Docket (including any comments and service
information), by appointment, between 8 a.m. and 4:30 p.m., Monday
through Friday, except Federal holidays. See ADDRESSES for the
location.
Comments
We provided the public the opportunity to participate in the
development of this AD. We have considered the one comment received.
The commenter supports the proposal.
Conclusion
We have carefully reviewed the available data, including the
comment received, and determined that air safety and the public
interest require adopting the AD as proposed.
Costs of Compliance
There are about 2,345 PW JT8D-200 series turbofan engines of the
affected design in the worldwide fleet. We estimate that 1,143 engines
are installed on airplanes of U.S. registry, and that 280 engines will
be affected by this AD. We estimate that 80% of the -217C and -219
engines already have the improved HPT containment hardware installed.
We also estimate that no additional labor costs will be incurred when
these parts are installed during engine shop visit. Required parts will
cost about $19,991 per engine. Based on these figures, we estimate the
total cost of the AD to U.S. operators to be $5,597,480.
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.
Regulatory Findings
We have determined that 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) Is not a ``significant rule'' under DOT Regulatory Policies and
Procedures (44 FR 11034, February 26, 1979); 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.
We prepared a summary of the costs to comply with this AD and
placed it in the AD Docket. You may get a copy of this summary by
sending a request to us at the address listed under ADDRESSES. Include
``AD Docket No. 92-ANE-15-AD'' in your request.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.
Adoption of the Amendment
0
Accordingly, under the authority delegated to me by the Administrator,
the Federal Aviation Administration amends 14 CFR part 39 as follows:
[[Page 678]]
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 Amendment 39-11392 (64 FR
58328, October 29, 1999) and by adding a new airworthiness directive
(AD), Amendment 39-13916, to read as follows:
2004-26-04 Pratt & Whitney: Amendment 39-13916. Docket No. 92-ANE-
15-AD. Supersedes AD 99-22-14, Amendment 39-11392.
Effective Date
(a) This AD becomes effective February 9, 2005.
Affected ADs
(b) This AD supersedes AD 99-22-14, Amendment 39-11392.
Applicability
(c) This AD applies to Pratt & Whitney (PW) JT8D-209, -217, -
217A, -217C, and -219 turbofan engines. These engines are installed
on, but not limited to, Boeing 727 series and McDonnell Douglas MD-
80 series airplanes.
Unsafe Condition
(d) This AD results from four reports of uncontained high
pressure turbine (HPT) failures of JT8D-200 series engines, since AD
99-22-14 was issued. We are issuing this AD to prevent uncontained
HPT events resulting from HPT shaft fractures.
Compliance
(e) You are responsible for having the actions required by this
AD performed within the compliance times specified unless the
actions have already been done.
(f) Install the improved HPT containment hardware. Use the
applicable compliance schedule in Table 1 of this AD, and paragraphs
1. through 3.G. of the Accomplishment Instructions of PW Alert
Service Bulletin (ASB) No. JT8D A6346, dated September 10, 1998, or
Revision 1, dated April 23, 1999, or Revision 2, dated December 1,
1999, or Revision 3, dated May 21, 2004.
Table 1.--Compliance Schedule
------------------------------------------------------------------------
Install improved HPT
For engine models: containment hardware:
------------------------------------------------------------------------
JT8D-217C and -219..................... At the next engine shop visit
after the effective date of
this AD, but no later than
December 31, 2004.
JT8D-209, -217, and -217A.............. At the next engine shop visit
after the effective date of
this AD, but no later than
December 31, 2007.
------------------------------------------------------------------------
Definition
(g) For the purpose of this AD, an engine shop visit is defined
as engine maintenance that involves the separation of the J and K
flanges.
Alternative Methods of Compliance
(h) The Manager, Engine Certification Office, has the authority
to approve alternative methods of compliance for this AD if
requested using the procedures found in 14 CFR 39.19.
Material Incorporated by Reference
(i) You must use the Pratt & Whitney Alert Service Bulletins
listed in Table 2 of this AD to perform the installations required
by this AD. The Director of the Federal Register approved the
incorporation by reference of ASB No. A6346, Revision 2 and Revision
3, listed in Table 2 of this AD in accordance with 5 U.S.C. 552(a)
and 1 CFR part 51. The Director of the Federal Register previously
approved the incorporation by reference of ASB No. JT8D A6346, dated
September 10, 1998, and ASB No. JT8D A6346 Revision 1, dated April
23, 1999, as of December 28, 1999 (64 FR 58328, October 29, 1999).
You can get copies from Pratt & Whitney, 400 Main St., East
Hartford, CT 06108; telephone (860) 565-7700; fax (860) 565-1605.
You can review copies at the FAA, New England Region, Office of the
Regional Counsel, 12 New England Executive Park, Burlington, MA; or
at the National Archives and Records Administration (NARA). For
information on the availability of this material at NARA, call 202-
741-6030, or go to: https://www.archives.gov/federal_register/code_
of_federal_regulations/ibr_locations.html. Table 2 follows:
Table 2.--Incorporation by Reference
----------------------------------------------------------------------------------------------------------------
Page number(s) shown Revision level shown
Alert service Bulletin No. on the page on the page Date shown on the page
----------------------------------------------------------------------------------------------------------------
JT8D A6346........................ ALL.................. Original............. September 10, 1998.
Total Pages: 23
JT8D A6346........................ 1,2.................. 1.................... April 23, 1999.
3.................... Original............. September 10, 1998.
4.................... 1.................... April 23, 1999.
5,6.................. Original............. September 10, 1998.
7-25................. 1.................... April 23, 1999.
Total Pages: 25
JT8D A6346........................ 1,2.................. 2.................... December 1, 1999.
3.................... Original............. September 10, 1998.
4,5.................. 2.................... December 1, 1999.
6.................... Original............. September 10, 1998.
7.................... 1.................... April 23, 1999.
8.................... 2.................... December 1, 1999.
9-13................. 1.................... April 23, 1999.
14................... 2.................... December 1, 1999.
15-21................ 1.................... April 23, 1999.
22................... 2.................... December 1, 1999.
23-25................ 1.................... April 23, 1999.
Total Pages: 25
JT8D A6346........................ ALL.................. 3.................... May 21, 2004.
Total Pages: 22
----------------------------------------------------------------------------------------------------------------
[[Page 679]]
Related Information
(j) None.
Issued in Burlington, Massachusetts, on December 20, 2004.
Francis A. Favara,
Acting Manager, Engine and Propeller Directorate, Aircraft
Certification Service.
[FR Doc. 05-84 Filed 1-4-05; 8:45 am]
BILLING CODE 4910-13-P
