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### ~O**kD** Docket No. FAA- Directorate ldemifi er: -AD



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Estirna l c d C ost s: Action Costs pe r Produ ct (e.g
.. aircraft , e ngine.**(~ ,**  In s p ect ion. propeller
. appliance) replacemcm) Work-hour s Labor Parts Cost Tota l Costs Numbe r of Total Cost Do not in clude on- ( include cost (labor + 

# u .s. for U . S
. Fleet co ndition co s t

s her e acce ss , testing , ( @ S85 i h parts) 

### Registered and close-up) ou r) 

### Pro ducts In s tall Fu ses per 17 (See Not e ' 

# . :**~** d paragraph (g) & ( h ) of 

### 07,034

### "'~· t ·l (II) 

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## ---- - --- - ---- ·----·-·· - ---· The-- known number of products in compliance: 

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Tota l Cos t s 

### ol com pi ian ce 

### tor U.S. fl ee t: $ 

### 0 Costs covered under warranty 

### (if known) 

### $ \\' a rrn n tv

- - - - -·

On-Conditio n Cos ts:

# ~ Actio n 

# I Work-hours Labor cost Part s Cost Cos t per P roduc t (e
. g .. In spec tion , (i nclude access, (@$ 85/h ou r)

rep l acement) te s tin g, an d clo se up) t: • 'rl ·..; 11 t •: I 

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## - -

### No t es: S pecial consi d e ration s for Eco n o mic A nal ys is (M at

erial cost ofS 7,034.00 

### is based 011 

### assumption Ill at t/11: kit lia s nut been 

### purchased. 

### Excc u ti vc Ord er 12866 : 

### Co uld th e AD b e co n s idered a ' ·significant regulatory acti o n''? 

# G YES* 

## 0

**NO~** 

### * Explanation : OO T Reg ul a to ry Po lici es and Procedures: 

### Is the AD s ignificant ? YES* 

### 0

**NO ~**  

### * Expl a natio n : Rrgulatury F l ex ibili ty Act: 

### Will the AD ha v e a s ignificant econ o mic impact on a s ub s t arllia l number of s mall entities ? Expla in for e ith e r 

### a Y es o r l 0 

### an s wer.. YES 

### 0 NO 

### l8l Ex plan at io n : T hi s s up e rs ed i ng AD NPRM i s for j u s t o ne airplan e . which is added by 

### Rev. I of Boeing se r vic e bulletin MDS0-28-2 2 6 . ln tr·ashltc 

### Av ia ti o n in A l aska: 

### Thi s AD co uld aff e ct intrastate avia tion in Ala ska. Is it appro priate t o in c lud e spec ific requirements for airc ra ft o p e rated in Alas ka w h ere aviation might be t he onl y m o de o r tran s portation?

- YES* 0

**NO ~**  

### * Explana ti on: