Airworthiness Directives; Viking Air Limited Model (Caribou) DHC-4 and (Caribou) DHC-4A Airplanes; and Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747SR, and 747SP Series Airplanes
Requires doing a fluorescent penetrant inspection for cracking of certain upper engine mount bracket assemblies, and corrective actions if necessary.
[Federal Register Volume 73, Number 31 (Thursday, February 14, 2008)]
[Rules and Regulations]
[Pages 8589-8591]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: E8-2623]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket Nos. FAA-2007-0410, FAA-2007-0411, and FAA-2007-0412;
Directorate Identifiers 2007-NM-338-AD, 2007-NM-291-AD, and 2007-NM-
290-AD; Amendments 39-15325, 39-15326, 39-15327; ADs 2008-01-02, 2004-
07-22 R1, and 90-25-05 R1]
RIN 2120-AA64
Airworthiness Directives; Viking Air Limited Model (Caribou) DHC-
4 and (Caribou) DHC-4A Airplanes; and Boeing Model 747-100, 747-100B,
747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D,
747-400F, 747SR, and 747SP Series Airplanes
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule; corrections.
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SUMMARY: The FAA is correcting typographical errors in three existing
airworthiness directives (ADs) that were published in the Federal
Register on January 8, 2008 (73 FR 1269); January 7, 2008 (73 FR 1052);
and January 7, 2008 (73 FR 1055). The errors resulted in incorrect
docket numbers. One AD applies to all Viking Air Limited Model
(Caribou) DHC-4 and (Caribou) DHC-4A airplanes. The other two ADs apply
to all Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-
200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747SR, and 747SP
series airplanes. The Viking Air AD requires doing a fluorescent
penetrant inspection for cracking of certain upper engine mount bracket
assemblies, and corrective actions if necessary. One of the Boeing ADs
requires revising the FAA-approved maintenance inspection program to
include inspections that will give no less than the required damage
tolerance rating for each structural significant item, and repair of
cracked structure. The other Boeing AD requires implementing a
corrosion prevention and control program.
DATES: AD 2008-01-02 is effective January 23, 2008. ADs 2004-07-22 R1
and 90-25-05 R1 are effective January 22, 2008.
ADDRESSES: You may examine the AD dockets on the Internet at http://www.regulations.gov; or in person at the Docket Management Facility
between 9 a.m. and 5 p.m., Monday through Friday, except Federal
holidays. The AD dockets contain this AD, the regulatory evaluation,
any comments received, and other information. The address for the
Docket Office (telephone 800-647-5527) is the Document Management
Facility, 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 ON AD 2008-01-02, CONTACT: George Duckett,
Aerospace Engineer, Airframe and Propulsion Branch, ANE-171, FAA, New
York Aircraft Certification Office, 1600 Stewart Avenue, Suite 410,
Westbury, New York 11590; telephone (516) 228-7325; fax (516) 794-5531.
FOR FURTHER INFORMATION ON ADs 2004-07-22 R1 and 90-25-05 R1, CONTACT:
Ivan Li, Aerospace Engineer, Airframe Branch, ANM-120S, FAA, Seattle
Aircraft Certification Office, 1601 Lind Avenue, SW., Renton,
Washington 98057-3356; telephone (425) 917-6437; fax (425) 917-6590.
SUPPLEMENTARY INFORMATION: We have issued the ADs identified in the
following table.
[[Page 8590]]
Affected ADs
------------------------------------------------------------------------
AD-- Affects-- And requires--
------------------------------------------------------------------------
2008-01-02, amendment 39- All Viking Air A fluorescent
15325 (73 FR 1269, January Limited Model penetrant
8, 2008), issued December (Caribou) DHC-4 and inspection (FPI)
20, 2007. (Caribou) DHC-4A for cracking of
airplanes. certain upper
engine mount
bracket assemblies,
and corrective
actions if
necessary.
2004-07-22 R1, amendment 39- All Boeing Model 747- Revising the FAA-
15326 (73 FR 1052, January 100, 747-100B, 747- approved
7, 2008), issued December 100B SUD, 747-200B, maintenance
26, 2007. 747-200C, 747-200F, inspection program
747-300, 747-400, to include
747-400D, 747-400F, inspections that
747SR, and 747SP will give no less
series airplanes. than the required
damage tolerance
rating for each
structural
significant item,
and repair of
cracked structure.
90-25-05 R1, amendment 39- All Boeing Model 747- Implementing a
15327 (73 FR 1055, January 100, 747-100B, 747- corrosion
7, 2008), issued December 100B SUD, 747-200B, prevention and
26, 2007. 747-200C, 747-200F, control program.
747-300, 747-400, (That AD revised an
747-400D, 747-400F, earlier AD by
747SR, and 747SP removing future
series airplanes. type-certificated
models from the
applicability.)
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As published, those ADs specify incorrect docket numbers throughout
the preamble and regulatory text. Docket numbers are assigned by the
Federal Document Management System. We have been informed that
incorrect docket numbers were assigned. The correct docket information
is provided in the following table.
Corrected AD Docket Numbers
----------------------------------------------------------------------------------------------------------------
AD No. Original Docket No. Corrected Docket No.
----------------------------------------------------------------------------------------------------------------
AD 2008-01-02........................ FAA-2008-0410................ FAA-2007-0410
2004-07-22 R1........................ FAA-2008-0411................ FAA-2007-0411
AD 90-25-05 R1....................... FAA-2008-0412................ FAA-2007-0412
----------------------------------------------------------------------------------------------------------------
Any commenter who submitted comments to an original, incorrect
docket number should check Docket No. FAA-2007-0410, FAA-2007-0411, or
FAA 2007-0412 on www.regulations.gov to determine whether the comments
have been received and filed in the appropriate docket. If not, or if
it is not possible to determine whether comments have been posted to
the correct docket, the comments should be resubmitted using the
correct docket number.
No other part of the preamble or regulatory information has been
changed; therefore, the final rule is not republished in the Federal
Register.
The effective date of AD 2008-01-02 remains January 23, 2008. The
effective date of AD 2004-07-22 R1 remains January 22, 2008. The
effective date of AD 90-25-05 R1 remains January 22, 2008.
Correction
In the Federal Register of January 8, 2008, on page 1269, in the
third column, the headings section of AD 2008-01-02 is corrected to
read as follows:
``[Docket No. FAA-2007-0410; Directorate Identifier 2007-NM-338-AD;
Amendment 39-15325; AD 2008-01-02]''
In the Federal Register of January 7, 2008, on page 1052, in the
first column, the headings section of AD 2004-07-22 R1 is corrected to
read as follows:
``[Docket No. FAA-2007-0411; Directorate Identifier 2007-NM-291-AD;
Amendment 39-15326; AD 2004-07-22 R1]''
In the Federal Register of January 7, 2008, on page 1055, in the
second column, the headings section of AD 90-25-05 R1 is corrected to
read as follows:
``[Docket No. FAA-2007-0412; Directorate Identifier 2007-NM-290-AD;
Amendment 39-15327; AD 90-25-05 R1]''
In the Federal Register of January 8, 2008, on page 1270, in the
second and third columns, the Supplemental Information section of
Docket No. FAA-2008-0410, Directorate Identifier 2007-NM-338-AD, is
corrected to read as follows:
``* * * Include ``Docket No. FAA-2007-0410; Directorate Identifier
2007-NM-338-AD'' at the beginning of your comments. * * *
In the Federal Register of January 7, 2008, on page 1053, in the
second column, the Supplemental Information section of Docket No. FAA-
2008-0411, Directorate Identifier 2007-NM-291-AD, is corrected to read
as follows:
``* * * Include ``Docket No. FAA-2007-0411; Directorate Identifier
2007-NM-291-AD'' at the beginning of your comments. * * *
In the Federal Register of January 7, 2008, on page 1056, in the
third column, the Supplemental Information section of Docket No. FAA-
2008-0412, Directorate Identifier 2007-NM-290-AD, is corrected to read
as follows:
``* * * Include ``Docket No. FAA-2007-0412; Directorate Identifier
2007-NM-290-AD'' at the beginning of your comments. * * *
Sec. 39.13 [Corrected]
0
In the Federal Register of January 8, 2008, on page 1271, in the first
column, paragraph 2. of PART 39--AIRWORTHINESS DIRECTIVES of AD 2008-
01-02 is corrected to read as follows:
* * * * *
2008-01-02 Viking Air Limited (Formerly Bombardier, Inc.): Amendment
39-15325. Docket No. FAA-2007-0410; Directorate Identifier 2007-NM-
338-AD.
* * * * *
In the Federal Register of January 7, 2008, on page 1053, in the
third column, paragraph 2. of PART 39-AIRWORTHINESS DIRECTIVES of AD
2004-07-22 R1 is corrected to read as follows:
* * * * *
2004-07-22 R1 Boeing: Amendment 39-15326. Docket No. FAA-2007-0411;
Directorate Identifier 2007-NM-291-AD.
* * * * *
0
In the Federal Register of January 7, 2008, on page 1057, in the first
column, paragraph 2. of PART 39-AIRWORTHINESS DIRECTIVES of AD 90-25-05
R1 is corrected to read as follows:
* * * * *
[[Page 8591]]
90-25-05 R1 Boeing: Amendment 39-15327. Docket No. FAA-2007-0412;
Directorate Identifier 2007-NM-290-AD.
* * * * *
Issued in Renton, Washington, on February 7, 2008.
Kevin Hull,
Acting Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. E8-2623 Filed 2-13-08; 8:45 am]
BILLING CODE 4910-13-P
Sources. Section 1 is written by AircraftDirectives from the record below and is a reading aid only. Section 2 is the United States Government's own text, reproduced without edit.
Federal Register: https://www.federalregister.gov/documents/2008/02/14/E8-2623/airworthiness-directives-viking-air-limited-model-caribou-dhc-4-and-caribou-dhc-4a-airplanes-and
Official PDF: https://www.govinfo.gov/content/pkg/FR-2008-02-14/pdf/E8-2623.pdf
Packet generated 2026-08-18 08:19 UTC.
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Responsibility remains with the owner/operator. Under 14 CFR §91.403 and §91.417 the owner or operator is responsible for maintaining airworthiness and for required records; under §39.7 no person may operate a product to which an airworthiness directive applies except in accordance with that directive. Determining applicability to a specific serial number and configuration, and performing or supervising any required action, is the responsibility of the owner/operator and appropriately certificated personnel.
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