14158 Federal Register / Vol. 78, No. 43 / Tuesday, March 5, 2013 / Rules and Regulations 

Note: Figure 2 is included for reference and 

clarity to show time interval FG. It has not 

been included in previous special conditions 

on the same subject and does not include any 

new requirements. It does not change the 

meaning or intent of the special conditions. 

Issued in Renton, Washington, on February 

13, 2013. 

Ali Bahrami, 

Manager, Transport Airplane Directorate, 

Aircraft Certification Service. 

[FR Doc. 2013–05006 Filed 3–4–13; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2012–0861; Directorate 

Identifier 2012–NM–074–AD; Amendment 

39–17364; AD 2013–04–07] 

RIN 2120–AA64 

Airworthiness Directives; Bombardier, 

Inc. Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), Department of 

Transportation (DOT). 

ACTION: Final rule. 

SUMMARY: We are adopting a new 

airworthiness directive (AD) for certain 

Bombardier, Inc. Model DHC–8–102, 

–103, –106, –201, –202, –301, –311, and 

–315 airplanes. This AD was prompted 

by reports of the loss of the fixed 

frequency system, leading to the loss of 

power to the left and right buses and all 

systems serviced by these buses. This 

AD requires modification of the wiring 

and changes to existing airworthiness 

limitations. We are issuing this AD to 

prevent loss of the fixed frequency 

system, which could lead to loss of a 

number of the pilot’s and co-pilot’s 

flight instruments, in addition to other 

avionics systems. 

DATES: This AD becomes effective April 

9, 2013. 

The Director of the Federal Register 

approved the incorporation by reference 

of certain publications listed in this AD 

as of April 9, 2013. 

ADDRESSES: You may examine the AD 

docket on the Internet at http:// 

www.regulations.gov or in person at the 

U.S. Department of Transportation, 

Docket Operations, M–30, West 

Building Ground Floor, Room W12–140, 

1200 New Jersey Avenue SE., 

Washington, DC. 

FOR FURTHER INFORMATION CONTACT: 

Assata Dessaline, Aerospace Engineer, 

Avionics and Flight Test Branch, ANE– 

172, FAA, New York Aircraft 

Certification Office, 1600 Stewart 

Avenue, Suite 410, Westbury, New York 

11590; telephone (516) 228–7301; fax 

(516) 794–5531. 

SUPPLEMENTARY INFORMATION: 


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Federal Register / Vol. 78, No. 43 / Tuesday, March 5, 2013 / Rules and Regulations 14159 

Discussion 

We issued a notice of proposed 

rulemaking (NPRM) to amend 14 CFR 

part 39 to include an AD that would 

apply to the specified products. That 

NPRM was published in the Federal 

Register on August 28, 2012 (77 FR 

51946). That NPRM proposed to correct 

an unsafe condition for the specified 

products. The Mandatory Continuing 

Airworthiness Information (MCAI) 

states: 

There have been several reported 

occurrences of the loss of the 400Hz [hertz] 

Fixed Frequency System, leading to the loss 

of power to the Left 115VAC [alternating 

current] bus, the Right 115VAC bus, the Left 

26VAC bus, the Right 26VAC bus and all 

systems serviced by these four electrical 

buses. The loss of the 400Hz Fixed 

Frequency System has been attributed to a 

failure of one or two static inverters, which 

resulted in the loss of the remaining 

inverters. The loss of systems serviced by the 

four fixed frequency electrical buses creates 

an unsafe condition due to the loss of a 

number of the pilot’s and co-pilot’s flight 

instruments, in addition to the other avionics 

systems. 

This [Canadian] Airworthiness Directive 

(AD) mandates the wiring modification to 

untie the 400Hz inverters and additional 

Airworthiness Limitation tasks introduced as 

a result of this modification. 

You may obtain further information by 

examining the MCAI in the AD docket. 

Comments 

We gave the public the opportunity to 

participate in developing this AD. We 

have considered the comment received. 

Request To Add Airplanes to the 

Applicability 

All Nippon Airways (ANA) requested 

that Bombardier, Inc. Model DHC–8– 

314 airplanes be added to the 

applicability of the NPRM (77 FR 51946, 

August 28, 2012). ANA stated that 

Bombardier Service Bulletin 8–24–87, 

dated May 26, 2011, included Model 

DHC–8–314 airplanes in its effectivity, 

while Bombardier Service Bulletin 8– 

24–87, Revision A, dated October 5, 

2011, excluded it. 

We disagree with ANA’s request. 

Bombardier, Inc. Model DHC–8–314 

airplanes are not on the U.S. type 

certificate data sheet; therefore, no 

change is necessary. We have not 

changed this final rule in this regard. 

Conclusion 

We 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 

We estimate that this AD will affect 

94 products of U.S. registry. We also 

estimate that it will take about 9 workhours per product to comply with the 

basic requirements of this AD. The 

average labor rate is $85 per work-hour. 

Based on these figures, we estimate the 

cost of this AD to the U.S. operators to 

be $71,910, or $765 per product. 

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 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 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. 

We prepared a regulatory evaluation 

of the estimated costs to comply with 

this AD and placed it in the AD docket. 

Examining the AD Docket 

You may examine the AD docket on 

the Internet at http:// 

www.regulations.gov; or in person at the 

Docket Operations office between 9 a.m. 

and 5 p.m., Monday through Friday, 

except Federal holidays. The AD docket 

contains the NPRM (77 FR 51946, 

August 28, 2012), the regulatory 

evaluation, any comments received, and 

other information. The street address for 

the Docket Operations office (telephone 

(800) 647–5527) is in the ADDRESSES

section. Comments will be available in 

the AD docket shortly after receipt. 

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 FAA amends 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. The FAA amends § 39.13 by adding 

the following new AD: 

2013–04–07 Bombardier, Inc.: Amendment 

39–17364. Docket No. FAA–2012–0861; 

Directorate Identifier 2012–NM–074–AD. 

(a) Effective Date 

This airworthiness directive (AD) becomes 

effective April 9, 2013. 

(b) Affected ADs 

None. 

(c) Applicability 

(1) This AD applies to Bombardier, Inc. 

Model DHC–8–102, –103, –106, –201, –202, 

–301, –311, and –315 airplanes, certificated 

in any category, serial numbers 002 through 

672 inclusive. 

(2) This AD requires revisions to certain 

operator maintenance documents to include 

new actions (e.g., inspections). Compliance 

with these inspections is required by 14 CFR 

91.403(c). For airplanes that have been 

previously modified, altered, or repaired in 

the areas addressed by these actions, the 

operator may not be able to accomplish the 

actions described in the revisions. In this 

situation, to comply with 14 CFR 91.403(c), 

the operator must request approval for an 

alternative method of compliance according 

to paragraph (k)(1) of this AD. The request 

should include a description of changes to 

the required inspections that will ensure the 

continued operational safety of the airplane. 

(d) Subject 

Air Transport Association (ATA) of 

America Code 24, Electrical Power. 

(e) Reason 

This AD was prompted by reports of the 

loss of the fixed frequency system, leading to 


emcdonald on DSK67QTVN1PROD with RULES
14160 Federal Register / Vol. 78, No. 43 / Tuesday, March 5, 2013 / Rules and Regulations 

the loss of power to the left and right buses 

and all systems serviced by these buses. We 

are issuing this AD to prevent loss of the 

fixed frequency system, which could lead to 

loss of a number of the pilot’s and co-pilot’s 

flight instruments, in addition to other 

avionics systems. 

(f) Compliance 

You are responsible for having the actions 

required by this AD performed within the 

compliance times specified, unless the 

actions have already been done. 

(g) Wiring Modifications 

Within 6,000 flight hours or 36 months 

after the effective date of this AD, whichever 

occurs first: Incorporate the wiring 

modifications specified in, and in accordance 

with, the Accomplishment Instructions of 

Bombardier Service Bulletin 8–24–87, 

Revision B, dated April 3, 2012. 

(h) Airplane Maintenance Program Revision 

Within 30 days after the effective date of 

this AD: Revise the airplane maintenance 

program by incorporating Task 2420/13, 

Operational Check of Relays K4, K5, K6, and 

K7 (Post Modsum 8Q101917), in the 

applicable temporary revision specified in 

paragraph (h)(1), (h)(2), or (h)(3) of this AD. 

The initial compliance time for Task 2420/13 

is within 18,000 flight hours after 

accomplishing the actions specified in 

paragraph (g) of this AD, or 30 days after the 

effective date of this AD, whichever occurs 

later. 

(1) For Model DHC–8–102, –103, and –106 

airplanes: de Havilland Dash 8 Series 100 

Temporary Revision AWL–117, dated April 

8, 2011, to Section AWL2—Systems 

Maintenance, of Part 2, Airworthiness 

Limitations, of the Bombardier Dash 8 Series 

100 Maintenance Program Manual, PSM 1–8– 

7. 

(2) For Model DHC–8–201 and –202 

airplanes: de Havilland Dash 8 Series 200 

Temporary Revision AWL 2–48, dated April 

8, 2011, to Section AWL2—Systems 

Maintenance, of Part 2, Airworthiness 

Limitations, of the Bombardier Dash 8 Series 

200 Maintenance Program Manual, PSM 1– 

82–7. 

(3) For Model DHC–8–301, –311, and –315 

airplanes: de Havilland Dash 8 Series 300 

Temporary Revision AWL 3–118, dated April 

8, 2011, to Section AWL2—Systems 

Maintenance, of Part 2, Airworthiness 

Limitations, of the Bombardier Dash 8 Series 

300 Maintenance Program Manual, PSM 1– 

83–7. 

(i) No Alternative Actions or Intervals 

After accomplishing the revision required 

by paragraph (h) of this AD, no alternative 

actions (e.g., inspections) or intervals may be 

used, unless the actions and intervals are 

approved as an AMOC in accordance with 

the procedures specified in paragraph (k)(1) 

of this AD. 

(j) Credit for Previous Actions 

This paragraph provides credit for the 

actions required by paragraph (g) of this AD, 

if those actions were performed before the 

effective date of this AD using Bombardier 

Service Bulletin 8–24–87, dated May 26, 

2011; or Bombardier Service Bulletin 8–24– 

87, Revision A, dated October 5, 2011; which 

are not incorporated by reference in this AD. 

(k) Other FAA AD Provisions 

The following provisions also apply to this 

AD: 

(1) Alternative Methods of Compliance 

(AMOCs): The Manager, New York Aircraft 

Certification Office (ACO), ANE–170, 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 ACO, send it to ATTN: 

Program Manager, Continuing Operational 

Safety, FAA, New York ACO, 1600 Stewart 

Avenue, Suite 410, Westbury, New York 

11590; telephone 516–228–7300; fax 516– 

794–5531. 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. The AMOC 

approval letter must specifically reference 

this AD. 

(2) Airworthy Product: For any requirement 

in this AD to obtain corrective actions from 

a manufacturer or other source, use these 

actions if they are FAA-approved. Corrective 

actions are considered FAA-approved if they 

are approved by the State of Design Authority 

(or their delegated agent). You are required 

to assure the product is airworthy before it 

is returned to service. 

(l) Related Information 

Refer to MCAI Canadian Airworthiness 

Directive CF–2012–09, dated February 15, 

2012, and the service information specified 

in paragraphs (l)(1) through (l)(4) of this AD, 

for related information. 

(1) Bombardier Service Bulletin 8–24–87, 

Revision B, dated April 3, 2012. 

(2) de Havilland Dash 8 Series 100 

Temporary Revision AWL–117, dated April 

8, 2011, to Section AWL2—Systems 

Maintenance, of Part 2, Airworthiness 

Limitations, of the Bombardier Dash 8 Series 

100 Maintenance Program Manual, PSM 1–8– 

7. 

(3) de Havilland Dash 8 Series 200 

Temporary Revision AWL 2–48, dated April 

8, 2011, to Section AWL2—Systems 

Maintenance, of Part 2, Airworthiness 

Limitations, of the Bombardier Dash 8 Series 

200 Maintenance Program Manual, PSM 1– 

82–7. 

(4) de Havilland Dash 8 Series 300 

Temporary Revision AWL 3–118, dated April 

8, 2011, to Section AWL2—Systems 

Maintenance, of Part 2, Airworthiness 

Limitations, of the Bombardier Dash 8 Series 

300 Maintenance Program Manual, PSM 1– 

83–7. 

(m) Material Incorporated by Reference 

(1) The Director of the Federal Register 

approved the incorporation by reference 

(IBR) of the service information listed in this 

paragraph under 5 U.S.C. 552(a) and 1 CFR 

part 51. 

(2) You must use this service information 

as applicable to do the actions required by 

this AD, unless the AD specifies otherwise. 

(i) Bombardier Service Bulletin 8–24–87, 

Revision B, dated April 3, 2012. 

(ii) de Havilland Dash 8 Series 100 

Temporary Revision AWL–117, dated April 

8, 2011, to Section AWL2—Systems 

Maintenance, of Part 2, Airworthiness 

Limitations, of the Bombardier Dash 8 Series 

100 Maintenance Program Manual, PSM 1–8– 

7. 

(iii) de Havilland Dash 8 Series 200 

Temporary Revision AWL 2–48, dated April 

8, 2011, to Section AWL2—Systems 

Maintenance, of Part 2, Airworthiness 

Limitations, of the Bombardier Dash 8 Series 

200 Maintenance Program Manual, PSM 1– 

82–7. 

(iv) de Havilland Dash 8 Series 300 

Temporary Revision AWL 3–118, dated April 

8, 2011, to Section AWL2—Systems 

Maintenance, of Part 2, Airworthiness 

Limitations, of the Bombardier Dash 8 Series 

300 Maintenance Program Manual, PSM 1– 

83–7. 

(3) For service information identified in 

this AD, contact Bombardier, Inc., Q-Series 

Technical Help Desk, 123 Garratt Boulevard, 

Toronto, Ontario M3K 1Y5, Canada; 

telephone 416–375–4000; fax 416–375–4539; 

email thd.qseries@aero.bombardier.com; 

Internet http://www.bombardier.com. 

(4) You may review copies of the service 

information at the FAA, Transport Airplane 

Directorate, 1601 Lind Avenue SW., Renton, 

WA. For information on the availability of 

this material at the FAA, call 425–227–1221. 

(5) You may view this service information 

that is incorporated by reference 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: http:// 

www.archives.gov/federal-register/cfr/ibrlocations.html. 

Issued in Renton, Washington, on February 

11, 2013. 

Ali Bahrami, 

Manager, Transport Airplane Directorate, 

Aircraft Certification Service. 

[FR Doc. 2013–04006 Filed 3–4–13; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2012–1172; Directorate 

Identifier 2012–CE–040–AD; Amendment 

39–17365; AD 2013–04–08] 

RIN 2120–AA64 

Airworthiness Directives; Diamond 

Aircraft Industries GmbH Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), Department of 

Transportation (DOT). 

ACTION: Final rule. 

SUMMARY: We are adopting a new 

airworthiness directive (AD) for 

Diamond Aircraft Industries GmbH 


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