Federal Register / Vol. 69, No. 26 / Monday, February 9, 2004 / Rules and Regulations 5913

Register, 800 North Capitol Street, NW., suite 

700, Washington, DC. 

Effective Date 

(e) This amendment becomes effective on 

February 24, 2004.

Issued in Renton, Washington, on January 

29, 2004. 

Kalene C. Yanamura, 

Acting Manager, Transport Airplane 

Directorate, Aircraft Certification Service.

[FR Doc. 04–2464 Filed 2–6–04; 8:45 am] 

BILLING CODE 4910–13–P

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. 2001–NM–355–AD; Amendment 

39–13448; AD 2004–03–04] 

RIN 2120–AA64 

Airworthiness Directives; BAE 

Systems (Operations) Limited 

(Jetstream) Model 4101 Airplanes

AGENCY: Federal Aviation 

Administration, DOT.

ACTION: Final rule.

SUMMARY: This amendment adopts a 

new airworthiness directive (AD), 

applicable to all BAE Systems 

(Operations) Limited (Jetstream) Model 

4101 airplanes. This AD requires 

repetitive inspections for cracking in the 

casing of the nose landing gear (NLG), 

and corrective action if necessary. This 

action is necessary to find and fix 

cracking of the NLG casing, which could 

result in failure of the NLG, and 

consequent reduced controllability of 

the airplane during takeoff and landing. 

This action is intended to address the 

identified unsafe condition.

DATES: Effective March 15, 2004. 

The incorporation by reference of 

certain publications listed in the 

regulations is approved by the Director 

of the Federal Register as of March 15, 

2004.

ADDRESSES: The service information 

referenced in this AD may be obtained 

from British Aerospace Regional 

Aircraft American Support, 13850 

Mclearen Road, Herndon, Virginia 

20171. This information may be 

examined at the Federal Aviation 

Administration (FAA), Transport 

Airplane Directorate, Rules Docket, 

1601 Lind Avenue, SW., Renton, 

Washington; or at the Office of the 

Federal Register, 800 North Capitol 

Street, NW., suite 700, Washington, DC.

FOR FURTHER INFORMATION CONTACT:

Todd Thompson, Aerospace Engineer, 

International Branch, ANM–116, FAA, 

Transport Airplane Directorate, 1601 

Lind Avenue, SW., Renton, Washington 

98055–4056; telephone (425) 227–1175; 

fax (425) 227–1149.

SUPPLEMENTARY INFORMATION: A 

proposal to amend part 39 of the Federal 

Aviation Regulations (14 CFR part 39) to 

include an airworthiness directive (AD) 

that is applicable to all BAE Systems 

(Operations) Limited (Jetstream) Model 

4101 airplanes was published in the 

Federal Register on November 18, 2003 

(68 FR 65011). That action proposed to 

require repetitive inspections for 

cracking in the casing of the nose 

landing gear, and corrective action if 

necessary. 

Comments 

Interested persons have been afforded 

an opportunity to participate in the 

making of this amendment. No 

comments were submitted in response 

to the proposal or the FAA’s 

determination of the cost to the public. 

Conclusion 

The FAA has determined that air 

safety and the public interest require the 

adoption of the rule as proposed. 

Cost Impact 

We estimate that 57 airplanes of U.S. 

registry will be affected by this AD, and 

that it will take approximately 1 work 

hour per airplane to accomplish the 

required actions, at the average labor 

rate of $65 per work hour. Based on 

these figures, the cost impact of the 

requirements of this AD on U.S. 

operators is estimated to be $3,705, or 

$65 per airplane, per inspection cycle. 

The cost impact figure discussed 

above is based on assumptions that no 

operator has yet accomplished any of 

the requirements of this AD action, and 

that no operator would accomplish 

those actions in the future if this AD 

were not adopted. The cost impact 

figures discussed in AD rulemaking 

actions represent only the time 

necessary to perform the specific actions 

actually required by the AD. These 

figures typically do not include 

incidental costs, such as the time 

required to gain access and close up, 

planning time, or time necessitated by 

other administrative actions. 

Regulatory Impact 

The regulations adopted herein 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. Therefore, it is 

determined that this final rule does not 

have federalism implications under 

Executive Order 13132. 

For the reasons discussed above, I 

certify that this action (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. A final evaluation has 

been prepared for this action and it is 

contained in the Rules Docket. A copy 

of it may be obtained from the Rules 

Docket at the location provided under 

the caption ADDRESSES.

List of Subjects in 14 CFR Part 39 

Air transportation, Aircraft, Aviation 

safety, Incorporation by reference, 

Safety.

Adoption of the Amendment

■ Accordingly, pursuant to the authority 

delegated to me by the Administrator, 

the Federal Aviation Administration 

amends part 39 of the Federal Aviation 

Regulations (14 CFR part 39) as follows:

PART 39—AIRWORTHINESS 

DIRECTIVES

■ 1. The authority citation for part 39 

continues to read as follows:

Authority: 49 U.S.C. 106(g), 40113, 44701.

§ 39.13 [Amended]

■ 2. Section 39.13 is amended by adding 

the following new airworthiness 

directive:

2004–03–04 BAE Systems (Operations) 

Limited (Formerly British Aerospace 

Regional Aircraft): Amendment 39–

13448. Docket 2001–NM–355–AD.

Applicability: All Model Jetstream 4101 

airplanes, certificated in any category. 

Compliance: Required as indicated, unless 

accomplished previously. 

To find and fix cracking of the casing of 

the nose landing gear (NLG), which could 

result in failure of the NLG, and consequent 

reduced controllability of the airplane during 

takeoff and landing, accomplish the 

following: 

Service Bulletin References 

(a) The following information pertains to 

the service bulletin referenced in this AD: 

(1) The term ‘‘alert service bulletin’’ as 

used in this AD, means the Accomplishment 

Instructions of BAE Systems (Operations) 

Limited Alert Service Bulletin J41–A32–079, 

Revision 2, dated April 28, 2003. 

(2) The alert service bulletin refers to 

APPH Ltd. Service Bulletin AIR83586–32–18, 

Revision 1, dated October 2001, as an 

additional source of service information for 

the accomplishment of certain actions in 

5914 Federal Register / Vol. 69, No. 26 / Monday, February 9, 2004 / Rules and Regulations 

BAE Systems (Operations) Limited Alert 

Service Bulletin J41–A32–079, Revision 2. 

(3) Inspections and corrective actions 

accomplished before the effective date of this 

AD per BAE Systems (Operations) Limited 

Alert Service Bulletin J41–A32–079, Revision 

1, dated October 25, 2001, are acceptable for 

compliance with the corresponding actions 

required by this AD. 

(4) Although the alert service bulletin 

referenced in this AD specifies to submit 

certain information to the manufacturer, this 

AD does not include such a requirement. 

Inspections 

(b) Within 7 days after the effective date of 

this AD, do a detailed inspection for cracking 

of the NLG casing, per the alert service 

bulletin. Then, at the compliance time 

specified in paragraph (b)(1) or (b)(2) of this 

AD, as applicable, do a fluorescent dye 

penetrant inspection for cracking of the NLG 

casing, per the alert service bulletin. 

(1) If no cracking is found during the 

detailed inspection, within 30 days after 

accomplishment of the detailed inspection, 

do the fluorescent dye penetrant inspection. 

(2) If any cracking is found during the 

detailed inspection, before further flight, do 

the fluorescent dye penetrant inspection.

Note 1: For the purposes of this AD, a 

detailed inspection is defined as: ‘‘An 

intensive visual examination of a specific 

structural area, system, installation, or 

assembly to detect damage, failure, or 

irregularity. Available lighting is normally 

supplemented with a direct source of good 

lighting at intensity deemed appropriate by 

the inspector. Inspection aids such as mirror, 

magnifying lenses, etc., may be used. Surface 

cleaning and elaborate access procedures 

may be required.’’

Corrective Action 

(c) If any cracking is found during any 

inspection per paragraph (b) of this AD, 

before further flight, do paragraph (c)(1) or 

(c)(2) of this AD, as applicable, per the alert 

service bulletin. 

(1) If the cracking is within the limits 

specified in the alert service bulletin, repair 

the NLG casing. 

(2) If the cracking is outside the limits 

specified in the alert service bulletin, replace 

the NLG casing with a new or serviceable 

NLG casing.

Note 2: Although the alert service bulletin 

specifies that operators may contact the 

manufacturer for approval of a ferry flight to 

a location where the replacement of the NLG 

casing may be accomplished, this AD 

requires any ferry flight to be approved by 

the FAA, as specified in 14 CFR part 39.

Repetitive Inspections 

(d) Repeat the inspections in paragraph (b) 

of this AD, and the corrective action in 

paragraph (c) of this AD, as applicable, at 

intervals not to exceed 1,200 landings.

Note 3: There is no terminating action 

available at this time for the repetitive 

inspections required by paragraph (d) of this 

AD.

Parts Installation 

(e) As of the effective date of this AD, no 

person may install an NLG casing on any 

airplane unless it has been inspected per 

paragraph (b) of this AD and found to be free 

of any cracking. 

Alternative Methods of Compliance 

(f) In accordance with 14 CFR 39.19, the 

Manager, International Branch, ANM–116, 

Transport Airplane Directorate, FAA, is 

authorized to approve alternative methods of 

compliance for this AD. 

Incorporation by Reference 

(g) Unless otherwise specified in this AD, 

the actions shall be done in accordance with 

BAE Systems (Operations) Limited Alert 

Service Bulletin J41–A32–079, Revision 2, 

dated April 28, 2003. 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. Copies may be 

obtained from British Aerospace Regional 

Aircraft American Support, 13850 Mclearen 

Road, Herndon, Virginia 20171. Copies may 

be inspected at the FAA, Transport Airplane 

Directorate, 1601 Lind Avenue, SW., Renton, 

Washington; or at the Office of the Federal 

Register, 800 North Capitol Street, NW., suite 

700, Washington, DC.

Note 4: The subject of this AD is addressed 

in British airworthiness directive 004–10–

2001.

Effective Date 

(h) This amendment becomes effective on 

March 15, 2004.

Issued in Renton, Washington, on January 

29, 2004. 

Kalene C. Yanamura, 

Acting Manager, Transport Airplane 

Directorate, Aircraft Certification Service.

[FR Doc. 04–2463 Filed 2–6–04; 8:45 am] 

BILLING CODE 4910–13–P

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. 2001–NM–376–AD; Amendment 

39–13456; AD 2004–03–12] 

RIN 2120–AA64 

Airworthiness Directives; Aerospatiale 

Model ATR72 Series Airplanes

AGENCY: Federal Aviation 

Administration, DOT.

ACTION: Final rule.

SUMMARY: This amendment supersedes 

an existing airworthiness directive (AD), 

applicable to certain Aerospatiale Model 

ATR72 series airplanes, that currently 

requires initial and repetitive 

inspections to detect fatigue cracking in 

certain areas of the fuselage, and 

corrective actions if necessary. For 

certain airplanes, this amendment 

requires a new inspection for oversized 

fastener holes and cracking, and repair 

if necessary. The actions specified by 

this AD are intended to prevent fatigue 

cracking of the fuselage and the 

passenger and service doors, which 

could result in reduced structural 

integrity of the airplane. This action is 

intended to address the identified 

unsafe condition.

DATES: Effective March 15, 2004. 

The incorporation by reference of a 

certain publication, as listed in the 

regulations, is approved by the Director 

of the Federal Register as of March 15, 

2004. 

The incorporation by reference of 

certain other publications, as listed in 

the regulations, was approved 

previously by the Director of the Federal 

Register as of April 3, 2000 (65 FR 

10381, February 28, 2000).

ADDRESSES: The service information 

referenced in this AD may be obtained 

from Aerospatiale, 316 Route de 

Bayonne, 31060 Toulouse, Cedex 03, 

France. This information may be 

examined at the Federal Aviation 

Administration (FAA), Transport 

Airplane Directorate, Rules Docket, 

1601 Lind Avenue, SW., Renton, 

Washington; or at the Office of the 

Federal Register, 800 North Capitol 

Street, NW., suite 700, Washington, DC.

FOR FURTHER INFORMATION CONTACT:

Tony Jopling, Aerospace Engineer, 

International Branch, ANM–116, FAA, 

Transport Airplane Directorate, 1601 

Lind Avenue, SW., Renton, Washington 

98055–4056; telephone (425) 227–2190; 

fax (425) 227–1149.

SUPPLEMENTARY INFORMATION: A 

proposal to amend part 39 of the Federal 

Aviation Regulations (14 CFR part 39) 

by superseding AD 2000–04–13, 

amendment 39–11596 (65 FR 10381, 

February 28, 2000), which is applicable 

to certain Aerospatiale Model ATR72 

series airplanes, was published in the 

Federal Register on November 28, 2003 

(68 FR 66772). The action proposed to 

continue to require initial and repetitive 

inspections to detect fatigue cracking in 

certain areas of the fuselage, and 

corrective actions if necessary. For 

certain airplanes, that action also 

proposed to require repair of oversized 

fastener holes. 

Comments 

Interested persons have been afforded 

an opportunity to participate in the 

making of this amendment. No 

comments were submitted in response 

to the proposal or the FAA’s 

determination of the cost to the public.