Regulatory Evaluation 

Docket No. FAA-2011-0475 Directorate Identifier: 20 l 0-NM-199-AD 

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Estimated Costs: 

Action Costs per Product (e.g., aircraft, engine, 

(e.g., Inspection, propeller, appliance) 

Work-hours Labor Parts Cost Total Costs Number of Total Cost replacement) (include cost (labor+ u.s. for U.S. Fleet Do no/ include oncondition costs here access, testing, (@$85/h parts) Registered and close-up) our) Products 

Installation Group 

1, Configuration 1 

.,k8'5 a!!£lanes) 

35.4 $4,691 % 'it 

Installation Group 

2, Configuration 1 

~airplanes) 32.5 $4,610 0-Y 

Installation Group 

3, Configuration 1 32.5 $4,619 12 

( 12 airplanes) 

Installation Group 

4, Configuration 1 32.5 $4,610 ,25zl1 

f[5 a!!Q_lanes) 

Installation Group 

5, Configuration l 35.5 $4,701 2 

(2 a!!Q_Ianes) 

Torque Bracket 

Assembly, Bond 

Tests, & GVI, 11.7 $0 

Group l-5, 

Contlg_uration 2 

GVI, Group l-5, 6.5 $0 Configuration 3 

The known number of products in compliance: 0 

Total Costs of com~liance for U.S. fleet: $5,076,348 
Costs covered under warranty (if known) I $0 

On-Condition Costs: • 

Action Work-hours Labor cost Parts Cost Cost per Product 

(e.g., Inspection, (include access, (@$85/hour) 

testing, and close- replacement) up) 

Adjust Wire Bundle 

& Install Sleeve, 0.5 $0 Group 1-5, 

Configuration 1 

GVI, Repair, & 

Change Installation 1.0 $0 Group 1-5, 

Configuration 2 

GVI, Repair, & 

Test, Group l-5, 5.0 $0 

Configuration 3 

Special considerations for Economic Analysis (Use this field to explain anything in the Estimated Costs table 

that was assumed or might not he obvious. This .field can also be used to explain warran~v c:osts): 

Configuration I: Operators that have not incorporated the Original Issue, Revision 1, 2, or 3. 

Configuration 2: Operators that have incorporated the Original Issue, but not Revision 1, 2, or 3. 

Configuration 3: Operators that have incorporated Revision 1, but not 2 or 3. 

We have no way of estimating how many U.S. registered airplanes are in each configuration. 

On-Condition Costs: 

For Group l-5, Configuration 1: Adjust wire bundle and install sleeve if interference is found 

between wire bundles and new relay brackets/assemblies. The work-hours provided is the time 

necessary to make changes in one of three possible locations. 

For Group 1-5, Configuration 2: If any ofthe three new relays touch adjacent wire bundles, do a 

General Visual Inspection (GVI) of wire bundles for chafing damage, repair wires as necessary, 

and change the installation of the relays. 

For Group 1-5, Configuration 3: If any ofthe three new relays touch adjacent wire bundles, do a 

General Visual Inspection (GVI) of wire bundles for chaiing damage, repair wires as necessary, 

and change the installation of the relays. 

Cost estimate does not include the parts cost for any on-condition actions. 

Boeing warranty remedies are not available for changes given in this service bulletin. 

Executive Order 12866: 

Could the AD be considered a "significant regulatory action"? . 

YES* D NO [g) 
*Explanation: 

DOT Regulatory Policies and Procedures: 

Is the AD significant? 0 

YES* D NO[gi 

*Explanation: 

Regulatory Flexibility Act: 

Will the AD have a significant economic impact on a substantial number of small entities? Explain for 

either a Yes or No answer. 0 

YES 0 NO 18] 

Explanation: This AD is for transport aircraft that are primarly operated by large commercial 

airlines. 

Intrastate Aviation in Alaska: 

This AD could affect intrastate aviation in Alaska. Is it appropriate to include specific requirements for 

aircraft operated in Alaska where aviation might be the only mode of transportation? -

YES* 0 NO [8J 

*Explanation: