Reg ul a tory Evaluation

Docket No. FAA- Dir ectorate Identifier: -AD (l,voumake clumges to the 1•ulues in the table hdow. you 111/I SI ensure the totals updute accordingly. (f" they clo not , click (or Tah) i11to u11d then out (?[the changed ce ll. Estimated Costs: Action Costs per Pro duct (e.g., aircraft, engine, (e .g ., Inspection, propeller , appliance) Work-hou rs Labor Parts Cost T otal Costs Number of Total Cost replacement) (include cost ( l abor+ 

### u.s. for U.S. Fleet Do not include onconditi on costs here acces s, testing, (@$85/h parts) Reg iste r ed and clo se- up) o ur) Product s Inspect for install ed 2.0 lj I 't $0 402875-05-01 PRS •II 47 ' :
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### '·' ' I ,;( illl I The known number of products in compl iance: Total Costs of co mpliance for U.S. fleet: $7,990 Costs covered under warranty (!f known) $0



## ~ On-Condition Cos ts:
. - Action Work-hours Labor cost Parts Cost Cost per Product (e.g., Inspection, (include access, (@$85/hour)

replacement) testing , and closeup) Replace with the 1.0 402875-0 3-01 PRS 

## .. Unknown

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## , 

## ... .Special co n si d e • ·ations for Eco n om ic Ana l ys is (Use this field to e xplain anything in the Estimate d Costs table that was assumed or mi gh t not be obvious. Thisfield can also be used to e;'Cplain warranty costs): 

### The work

hour s es timate includes the hours to in spect for the PRS patt number (P IN) including access. The on-condition work -hours includes the hours to replace one PRS PIN 402875

- 05-01 with PRS 

### PIN 402875-03

- 01 and to do the PRS System Te s t. Some operators may need to replace additional PRS , up to 4 on an airplane , if PRS PIN 402875-05-01 is installed in multiple PRS locations. Replacin g each additional PRS would take approximately l hour. Also , if operators are able to verify, through a check of maintenance records, that PRS PIN 402875-03-01 is installed in all four PRS locations , no airplane inspection is requi r ed. The cost estimate does not include parts co st for the Pitch Rate Sensor 

### ( P

IN 402875

- 03-01) , because the PR S are considered "Parts and Materials Supplied by the Operator". Up to four PRS may be required. Boeing warranty r emed ies are not available for the confi gurat ion changes given in the service bull etin. E xec u tive O rd e r 1 2866 : 

### Could the AD be con sidere d a "s ignificant regulatory action "?. YES * 

## 0 NO 

### IZ] *Explanation: DOT Reg ul a tory Po li cies an d P r oced ures : 

### I s the AD significant ?



## ~ YES* 

## 0 NO 

### IZ] *Explanation: Reg ul atory F lex i b ili ty Act : 

### Will the AD have a significant economic impact on a substantial number of small entities? Explain for either a Yes or No



## an **wer.**

**·** Y ES 

## 0 NO 

### IZ] Explanation: Thi s AD is for transport aircraft that are primarly operated by large commercial airline s. I ntrastate Av i ation i n Alaska: 

### This AD could affect intrastate aviation in Alaska . I s it appropriate to include specific requirements for aircraft operated in Alaska where av iation might be the o nly m o

de of transportation? • YE S* 

## 0 NO 

### IZ] *Explanati on: