Airworthiness Directives; Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 Airplanes, 36831-36833 [05-12504]

Download as PDF Federal Register / Vol. 70, No. 122 / Monday, June 27, 2005 / Rules and Regulations current or magneto optical imaging methods to detect cracks at the chem-milled step in each adjacent bay of the fuselage skin, a detailed inspection of the skin in the area of the repair for corrosion and doubler disbonding, and applicable corrective action) of the cracked area, in accordance with Part II of the Accomplishment Instructions of the service bulletin. Another approved repair method is in Section 53–30–3, Figure 48, of the Boeing 737 SRM. Permanent repair of an area terminates the repetitive inspections specified in this AD for that repaired area only. Exceptions to Service Bulletin Procedures (e) During any inspection required by this AD, if any discrepancy (including cracking) is detected for which the service bulletin specifies to contact Boeing for appropriation action: Before further flight, repair according to a method approved by the Manager, Seattle Aircraft Certification Office (ACO), FAA; or according to data meeting the certification basis of the airplane approved by an Authorized Representative for the Boeing Delegation Option Authorization Organization who has been authorized by the Manager, Seattle ACO, to make those findings. For a repair method to be approved, the repair must meet the certification basis of the airplane, and the approval must specifically refer to this AD. (f) Although Boeing Service Bulletin 737– 53–1065, Revision 2, dated April 19, 2001, recommends that cracks found in Zone 2 be reported to Boeing, this AD does not require such a report. (g) For airplanes subject to the requirements of paragraphs (a) and (c) of this AD: Inspections are not required in areas that are spanned by an FAA-approved repair that has a minimum of 3 rows of fasteners above and below the chemical-milled step. If an external doubler covers the chemical-milled step, but does not span it by a minimum of 3 rows of fasteners above and below, one method of compliance with the inspection requirement of paragraphs (a) and (c) of this AD is to inspect all chemical-milled steps covered by the repair using internal nondestructive test (NDT) methods in accordance with Part 6, Subject 53–30–20, of the Boeing 737 NDT Manual. Follow-on and corrective actions must be done as specified in this AD. Alternative Methods of Compliance (AMOCs) (h)(1) In accordance with 14 CFR 39.19, the Manager, Seattle ACO, FAA, is authorized to approve AMOCs for this AD. (2) An AMOC that provides an acceptable level of safety may be used for any repair required by this AD, if it is approved by an Authorized Representative for the Boeing Delegation Option Authorization Organization who has been authorized by the Manager, Seattle ACO, to make those findings. For a repair method to be approved, the repair must meet the certification basis of the airplane, and the approval must specifically refer to this AD. Incorporation by Reference (i) Unless otherwise specified in this AD, the actions must be done in accordance with VerDate jul<14>2003 16:46 Jun 24, 2005 Jkt 205001 Boeing Service Bulletin 737–53–1065, Revision 2, dated April 19, 2001. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. To get copies of this service information, contact Boeing Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124–2207. To inspect copies of this service information, go to the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or to the National Archives and Records Administration (NARA). For information on the availability of this material at the NARA, call (202) 741–6030, or go to http:// www.archives.gov/federal_register/code_ of_federal_regulations/ibr_locations.html. Effective Date (j) This amendment becomes effective on August 1, 2005. Issued in Renton, Washington, on June 14, 2005. Kevin M. Mullin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 05–12503 Filed 6–24–05; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2005–20871; Directorate Identifier 2004–NM–212–AD; Amendment 39–14169; AD 2005–13–32] RIN 2120–AA64 Airworthiness Directives; Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 Airplanes Federal Aviation Administration (FAA), Department of Transportation (DOT). ACTION: Final rule. AGENCY: SUMMARY: The FAA is adopting a new airworthiness directive (AD) for all Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes. This AD requires a detailed inspection to determine the presence of incorrectly installed bushings in the attachment holes of the reinforcing strap of the leftand right-hand wings’ lower skin, and corrective actions if necessary. This AD is prompted by a report that bushings were installed in accordance with improper procedures in the structural repair manual. We are issuing this AD to detect and correct improperly installed bushings, which could result in reduced tensile strength of the reinforcing strap of the wing’s lower skin, and consequently a reduction of the structural capability of the wing and possible wing failure. PO 00000 Frm 00023 Fmt 4700 Sfmt 4700 36831 This AD becomes effective August 1, 2005. The incorporation by reference of certain publications listed in the AD is approved by the Director of the Federal Register as of August 1, 2005. ADDRESSES: For service information identified in this AD, contact Fokker Services B.V., P.O. Box 231, 2150 AE Nieuw-Vennep, the Netherlands. Docket: The AD docket contains the proposed AD, comments, and any final disposition. You can examine the AD docket on the Internet at http:// 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 U.S. Department of Transportation, 400 Seventh Street, SW., room PL–401, Washington, DC. This docket number is FAA–2005–20871; the directorate identifier for this docket is 2004-NM– 212-AD. FOR FURTHER INFORMATION CONTACT: Tom Rodriguez, Aerospace Engineer, International Branch, ANM–116, FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington 98055–4056; telephone (425) 227–1137; fax (425) 227–1149. SUPPLEMENTARY INFORMATION: The FAA proposed to amend 14 CFR part 39 with an AD for all Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes. That action, published in the Federal Register on April 6, 2005 (70 FR 17345), proposed to require a detailed inspection to determine the presence of incorrectly installed bushings in the attachment holes of the reinforcing strap of the left- and right-hand wings’ lower skin, and corrective actions if necessary. DATES: Comments We provided the public the opportunity to participate in the development of this AD. No comments have been submitted on the proposed AD or on the determination of the cost to the public. Explanation of Change to Applicability We have revised the applicability of the proposed AD to identify model designations as published in the most recent type certificate data sheet for the affected models. Conclusion We have carefully reviewed the available data and determined that air safety and the public interest require adopting the AD with the change described previously. We have E:\FR\FM\27JNR1.SGM 27JNR1 36832 Federal Register / Vol. 70, No. 122 / Monday, June 27, 2005 / Rules and Regulations determined that this change will neither increase the economic burden on any operator nor increase the scope of the AD. Costs of Compliance The following table provides the estimated costs for U.S. operators to comply with this AD. ESTIMATED COSTS Action Work hours Average labor rate per hour Parts Cost per airplane Number of U.S.-registered airplanes Fleet cost Inspection ............................................................................................. 8 $65 $0 $520 12 $6,240 Authority for this Rulemaking List of Subjects in 14 CFR Part 39 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. Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety. 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 regulatory evaluation of the estimated costs to comply with this AD. See the ADDRESSES section for a location to examine the regulatory evaluation. VerDate jul<14>2003 16:46 Jun 24, 2005 Jkt 205001 Adoption of the Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: I 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] 2. The FAA amends § 39.13 by adding the following new airworthiness directive (AD): I 2005–13–32 Fokker Services B.V.: Amendment 39–14169. Docket No. FAA–2005–20871; Directorate Identifier 2004–NM–212–AD. Effective Date (a) This AD becomes effective August 1, 2005. Affected ADs (b) None. Applicability (c) This AD applies to all Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes, certificated in any category. Unsafe Condition (d) This AD was prompted by a report that bushings were installed in accordance with improper procedures in the structural repair manual. We are issuing this AD to detect and correct improperly installed bushings which could result in reduced tensile strength of the reinforcing strap of the wing’s lower skin, and consequently a reduction of the structural capability of the wing and possible wing failure. 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. PO 00000 Frm 00024 Fmt 4700 Sfmt 4700 Inspection and Corrective Actions (f) Within 12 months or 3,000 flight cycles after the effective date of this AD, whichever occurs first, do a detailed inspection of the reinforcing strap of the left- and right-hand wings’ lower skin at wing station (WS) 2635 for improperly installed bushings, in accordance with the Accomplishment Instructions of Fokker Service Bulletin F28/ 57–93, dated December 22, 2003. Note 1: For the purposes of this AD, a detailed inspection is: ‘‘An intensive examination of a specific item, installation, or assembly to detect damage, failure, or irregularity. Available lighting is normally supplemented with a direct source of good lighting at an intensity deemed appropriate. Inspection aids such as mirror, magnifying lenses, etc., may be necessary. Surface cleaning and elaborate procedures may be required.’’ (1) If no improperly installed bushing is found, no further action is required by this AD. (2) If any improperly installed bushing is found, before further flight: (i) Repair the bushing in accordance with the Accomplishment Instructions of Fokker Service Bulletin F28/57–93, dated December 22, 2003; and (ii) Replace the reinforcing strap with a new reinforcing strap in accordance with the Accomplishment Instructions of Fokker Service Bulletin F28/57–96, dated December 22, 2003. Alternative Methods of Compliance (AMOCs) (g) The Manager, International Branch, ANM–116, Transport Airplane Directorate, FAA, has the authority to approve AMOCs for this AD, if requested in accordance with the procedures found in 14 CFR 39.19. Related Information (h) Dutch airworthiness directive 2004– 021, dated February 27, 2004, also addresses the subject of this AD. Material Incorporated by Reference (i) You must use the service information listed in Table 1 of this AD to perform the actions that are required by this AD, unless the AD specifies otherwise. The Director of the Federal Register approves the incorporation by reference of these documents in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. To get copies of the service information, contact Fokker Services B.V., P.O. Box 231, 2150 AE Nieuw- E:\FR\FM\27JNR1.SGM 27JNR1 Federal Register / Vol. 70, No. 122 / Monday, June 27, 2005 / Rules and Regulations Vennep, the Netherlands. To view the AD docket, go to the Docket Management Facility, U.S. Department of Transportation, 400 Seventh Street SW, room PL–401, Nassif Building, Washington, DC. To review copies of the service information, go to the National Archives and Records Administration (NARA). For information on the availability of this material at the NARA, call (202) 741– 6030, or go to http://www.archives.gov/ federal_register/code_of_federal_regulations/ ibr_locations.html. TABLE 1.—MATERIAL INCORPORATED BY REFERENCE Fokker Service Bulletin Revision level F28/57–93 F28/57–96 Original ..... Original ..... Date Dec. 22, 2003. Dec. 22, 2003. Issued in Renton, Washington, on June 14, 2005. Kevin M. Mullin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 05–12504 Filed 6–24–05; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2005–20861; Directorate Identifier 2005–NM–020–AD; Amendment 39–14170; AD 2005–13–33] RIN 2120–AA64 Airworthiness Directives; Airbus Model A300 B2 and B4 Series Airplanes Federal Aviation Administration (FAA), Department of Transportation (DOT). ACTION: Final rule. AGENCY: The FAA is adopting a new airworthiness directive (AD) for certain Airbus Model A300 B2 and B4 series airplanes. This AD requires modifying the wiring of the autopilot pitch torque limiter switch. This AD is prompted by several reports of pitch trim disconnect caused by insufficient length in the wiring to the pitch torque limiter lever. We are issuing this AD to prevent possible trim loss when the flightcrew tries to override the autopilot pitch control, which could result in uncontrolled flight of the airplane. DATES: This AD becomes effective August 1, 2005. The incorporation by reference of a certain publication listed in the AD is approved by the Director of the Federal Register as of August 1, 2005. SUMMARY: VerDate jul<14>2003 16:46 Jun 24, 2005 Jkt 205001 For service information identified in this AD, contact Airbus, 1 Rond Point Maurice Bellonte, 31707 Blagnac Cedex, France. Docket: The AD docket contains the proposed AD, comments, and any final disposition. You can examine the AD docket on the Internet at http:// 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 U.S. Department of Transportation, 400 Seventh Street SW., room PL–401, Washington, DC. This docket number is FAA–2005–20861; the directorate identifier for this docket is 2005–NM– 020–AD. FOR FURTHER INFORMATION CONTACT: Rosanne Ryburn, Aerospace Engineer, International Branch, ANM–116, FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington 98055–4056; telephone (425) 227–2139; fax (425) 227–1149. SUPPLEMENTARY INFORMATION: The FAA proposed to amend 14 CFR part 39 with an AD for certain Airbus Model A300 B2 and B4 series airplanes. That action, published in the Federal Register on April 6, 2005 (70 FR 17347), proposed to require modifying the wiring of the autopilot pitch torque limiter switch. ADDRESSES: Comments We provided the public the opportunity to participate in the development of this AD. We have considered the one comment that has been submitted on the proposed AD. Support for the Proposed AD The commenter supports the proposed AD. Change to This AD We have updated reference to Airbus Model A300 B2 and B4 series airplanes in paragraph (c) of this AD to match the common model designation identified in the latest revision of the type certificate data sheet. 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 This AD affects about 20 airplanes of U.S. registry. The actions take between 8 and 11 work hours per airplane, depending on airplane configuration, at PO 00000 Frm 00025 Fmt 4700 Sfmt 4700 36833 an average labor rate of $65 per work hour. Required parts cost between $1,840 and $4,280 per airplane, depending on airplane configuration. Based on these figures, the estimated cost of the AD for U.S. operators is between $47,200 and $99,900, or between $2,360 and $4,995 per airplane. 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 regulatory evaluation of the estimated costs to comply with this AD. See the ADDRESSES section for a location to examine the regulatory evaluation. List of Subjects in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety. E:\FR\FM\27JNR1.SGM 27JNR1

Agencies

[Federal Register Volume 70, Number 122 (Monday, June 27, 2005)]
[Rules and Regulations]
[Pages 36831-36833]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 05-12504]


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

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2005-20871; Directorate Identifier 2004-NM-212-AD; 
Amendment 39-14169; AD 2005-13-32]
RIN 2120-AA64


Airworthiness Directives; Fokker Model F.28 Mark 1000, 2000, 
3000, and 4000 Airplanes

AGENCY: Federal Aviation Administration (FAA), Department of 
Transportation (DOT).

ACTION: Final rule.

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

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for all 
Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes. This AD 
requires a detailed inspection to determine the presence of incorrectly 
installed bushings in the attachment holes of the reinforcing strap of 
the left- and right-hand wings' lower skin, and corrective actions if 
necessary. This AD is prompted by a report that bushings were installed 
in accordance with improper procedures in the structural repair manual. 
We are issuing this AD to detect and correct improperly installed 
bushings, which could result in reduced tensile strength of the 
reinforcing strap of the wing's lower skin, and consequently a 
reduction of the structural capability of the wing and possible wing 
failure.

DATES: This AD becomes effective August 1, 2005.
    The incorporation by reference of certain publications listed in 
the AD is approved by the Director of the Federal Register as of August 
1, 2005.

ADDRESSES: For service information identified in this AD, contact 
Fokker Services B.V., P.O. Box 231, 2150 AE Nieuw-Vennep, the 
Netherlands.
    Docket: The AD docket contains the proposed AD, comments, and any 
final disposition. You can examine the AD docket on the Internet at 
http://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 U.S. 
Department of Transportation, 400 Seventh Street, SW., room PL-401, 
Washington, DC. This docket number is FAA-2005-20871; the directorate 
identifier for this docket is 2004-NM-212-AD.

FOR FURTHER INFORMATION CONTACT: Tom Rodriguez, Aerospace Engineer, 
International Branch, ANM-116, FAA, Transport Airplane Directorate, 
1601 Lind Avenue, SW., Renton, Washington 98055-4056; telephone (425) 
227-1137; fax (425) 227-1149.

SUPPLEMENTARY INFORMATION: The FAA proposed to amend 14 CFR part 39 
with an AD for all Fokker Model F.28 Mark 1000, 2000, 3000, and 4000 
airplanes. That action, published in the Federal Register on April 6, 
2005 (70 FR 17345), proposed to require a detailed inspection to 
determine the presence of incorrectly installed bushings in the 
attachment holes of the reinforcing strap of the left- and right-hand 
wings' lower skin, and corrective actions if necessary.

Comments

    We provided the public the opportunity to participate in the 
development of this AD. No comments have been submitted on the proposed 
AD or on the determination of the cost to the public.

Explanation of Change to Applicability

    We have revised the applicability of the proposed AD to identify 
model designations as published in the most recent type certificate 
data sheet for the affected models.

Conclusion

    We have carefully reviewed the available data and determined that 
air safety and the public interest require adopting the AD with the 
change described previously. We have

[[Page 36832]]

determined that this change will neither increase the economic burden 
on any operator nor increase the scope of the AD.

Costs of Compliance

    The following table provides the estimated costs for U.S. operators 
to comply with this AD.

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                        Number of
                                          Work      Average               Cost per        U.S.-
                Action                   hours    labor rate    Parts     airplane     registered    Fleet cost
                                                   per hour                             airplanes
----------------------------------------------------------------------------------------------------------------
Inspection............................       8           $65       $0          $520            12        $6,240
----------------------------------------------------------------------------------------------------------------

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 regulatory evaluation of the estimated costs to 
comply with this AD. See the ADDRESSES section for a location to 
examine the regulatory evaluation.

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 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):

2005-13-32 Fokker Services B.V.: Amendment 39-14169. Docket No. FAA-
2005-20871; Directorate Identifier 2004-NM-212-AD.

Effective Date

    (a) This AD becomes effective August 1, 2005.

Affected ADs

    (b) None.

Applicability

    (c) This AD applies to all Fokker Model F.28 Mark 1000, 2000, 
3000, and 4000 airplanes, certificated in any category.

Unsafe Condition

    (d) This AD was prompted by a report that bushings were 
installed in accordance with improper procedures in the structural 
repair manual. We are issuing this AD to detect and correct 
improperly installed bushings which could result in reduced tensile 
strength of the reinforcing strap of the wing's lower skin, and 
consequently a reduction of the structural capability of the wing 
and possible wing failure.

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.

Inspection and Corrective Actions

    (f) Within 12 months or 3,000 flight cycles after the effective 
date of this AD, whichever occurs first, do a detailed inspection of 
the reinforcing strap of the left- and right-hand wings' lower skin 
at wing station (WS) 2635 for improperly installed bushings, in 
accordance with the Accomplishment Instructions of Fokker Service 
Bulletin F28/57-93, dated December 22, 2003.

    Note 1: For the purposes of this AD, a detailed inspection is: 
``An intensive examination of a specific item, installation, or 
assembly to detect damage, failure, or irregularity. Available 
lighting is normally supplemented with a direct source of good 
lighting at an intensity deemed appropriate. Inspection aids such as 
mirror, magnifying lenses, etc., may be necessary. Surface cleaning 
and elaborate procedures may be required.''

    (1) If no improperly installed bushing is found, no further 
action is required by this AD.
    (2) If any improperly installed bushing is found, before further 
flight:
    (i) Repair the bushing in accordance with the Accomplishment 
Instructions of Fokker Service Bulletin F28/57-93, dated December 
22, 2003; and
    (ii) Replace the reinforcing strap with a new reinforcing strap 
in accordance with the Accomplishment Instructions of Fokker Service 
Bulletin F28/57-96, dated December 22, 2003.

Alternative Methods of Compliance (AMOCs)

    (g) The Manager, International Branch, ANM-116, Transport 
Airplane Directorate, FAA, has the authority to approve AMOCs for 
this AD, if requested in accordance with the procedures found in 14 
CFR 39.19.

Related Information

    (h) Dutch airworthiness directive 2004-021, dated February 27, 
2004, also addresses the subject of this AD.

Material Incorporated by Reference

    (i) You must use the service information listed in Table 1 of 
this AD to perform the actions that are required by this AD, unless 
the AD specifies otherwise. The Director of the Federal Register 
approves the incorporation by reference of these documents in 
accordance with 5 U.S.C. 552(a) and 1 CFR part 51. To get copies of 
the service information, contact Fokker Services B.V., P.O. Box 231, 
2150 AE Nieuw-

[[Page 36833]]

Vennep, the Netherlands. To view the AD docket, go to the Docket 
Management Facility, U.S. Department of Transportation, 400 Seventh 
Street SW, room PL-401, Nassif Building, Washington, DC. To review 
copies of the service information, go to the National Archives and 
Records Administration (NARA). For information on the availability 
of this material at the NARA, call (202) 741-6030, or go to http://
www.archives.gov/federal_register/code_of_federal_regulations/
ibr_locations.html.

              Table 1.--Material Incorporated by Reference
------------------------------------------------------------------------
    Fokker Service Bulletin      Revision level            Date
------------------------------------------------------------------------
F28/57-93.....................  Original........  Dec. 22, 2003.
F28/57-96.....................  Original........  Dec. 22, 2003.
------------------------------------------------------------------------


    Issued in Renton, Washington, on June 14, 2005.
Kevin M. Mullin,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 05-12504 Filed 6-24-05; 8:45 am]
BILLING CODE 4910-13-P