Reg ul atory Eval u ation

Docket No. FAA- Directorate Identifier: -AD

(lyou m ake changes to 1h e Falue s in 1he table below, you1m1st e nsur e the totals updat e accordingly. Jj' they do not, click (o r Tab) into and then ow f?{!he changed cell. Est i mated Costs: Action Costs per Product (e.g., aircraft, engine, (e.g

. , Inspection , propeller, appliance) Work

- hours Labor Parts Cost To tal Costs Number of Tota l Cost replac e ment) ( include cost (labor + 

## u. s. for U.S. Fleet Do not include oncondition costs here access, testing, (@$85/h parts) Reg i s t e r ed and close-up) our) Products 

### Open Access Panel 3.0 ' , ! •q I)) 

### 57 ' ; .5**~5.ftll** 

### Part 1

. Detailed insp ection of the aft fairing for cracks 9.0 <\' nq 

### ' I)'' (Hi 

### 57 ' ( ' 't 

### and heat damage , Figure 1 and 2 Part 1

. Conductivity inspection (lACS 19.0 , U>l·· o 1.<" '.til) 

### 57 I' II( 

### va lues) ofthe upper 0 

### surface , Figure 3 

### and4 Part 1. 

### Detai led inspection of the heat shield primary 6.0 'i " 0 : l I II 

### 57 ) II 

### seal for wear damage, Figure 5 and 6 Close Access Pane l 3.0 ' ')t {I ) 

### 57 1 1 -'·on It r l/1 0 1)1 1 

### '· (J (ltl I'll( •, (I (\I I \ () ( ;() {I l}(l \ f) (i{l ' ! I Ill' r 'It ' {t 00 ' l (l(' <, \J If( I 'I ! HI 11 on
., () \)(t \ 0 {I( I '· I! 11(1 u I)( I "-. ( ) IHt I**II .**  

# " p PP 

### ' ( 1 Of I tt nn ' II \)1' ' () (111 n l'fJ ' !1. {j(l ... ll,l H1**~** 0 1;0 

### ', il l)'l 

# . (J (HI I) ( 0 '> 0 1)0 \ (\ 0(1 \ n.or; ) 0.1){1 1., (I Ill I {l (•f! I 1 !J( ' I I ilfl (I (. 1\ ' l ! )f! ()'!I I 

### '**•: 1**  The known number of products i n compliance:

### T o

ta l Cos t s of co m plian ce f o r U.S

. fl e e t: 

## l $19 3, 800 Costs co v e red u nder wa r ra n ty (if /m own) 

## l $ On- C ondition Costs :



## ~ Act i o

n Work-hours L a

b

or co s t P a

rts Cos t Cost pe r Pro d u

ct (e. g . , I nspection , (includ e access , ( @ $85 / hour) r e

placement) t est ing, a nd closeu

p

) C ondition 2 , 

### We a r damage f o und on 10

. 0 $1 , 940 

### he at s hield p r imary s eal. C ombine d Co nditi o n 5 

### and 6 , 

### Rep lac e any part s cr acked , r ep lace 1 10

. 0 

### any h ea t damage or $52 , 992

. I 

### w ea r da m age , C omplete P art 2 

### F

i gu re 7 

### thro ugh 1 2

I 1' 1 I <!1, 1:c, I !iii S pecial considerati o ns f o r E conomic Ana lysis (Use thi sfi e ld to exp l ain anythin g in th e Es tima t ed Cos t s table th a t wa s assumed or mi g ht n o t be o b v ious. This fi e ld can a lso be u se d to e; '<plain w a rran ty cos t s) : 

### P

e r S B 777

- 54-00 3 0 , 

### the o ptional term inat i n g acti o n of replac i ng the the rm a l in s ul atio n blanket s , rub s trips on the s ea l d e pr ess or, and the aft fa i rin g d rain sump would co s t th e o pe rator s app rox imate l y $ 1 1 6 , 000 

### in material costs and 151 

### man ho u rs in labor co s t s. For a ll other op erator s, incorpor ating S B 777-54-00 3 0 

### wo u ld be e qu all y a s d i ffic ul t and compl ex a s acco mp l ishin g th e r epeat in s pection s p e r SB 777-54A00 3 1. It 

### is Boeing's r eccomend a tion th at operators inco r po rate th e n ew design ve rs u s co nt in uing to do the r e

pea t insp e ction. E xec uti v e Ord e r 1286 6: 

### Co ul d the AD 

### be con s i de r ed a " s ignifica n t re g ulator y



## ac **ti ?~** 

**·** Y E

S* 

## 0 NO [;g) * E xp l an a

ti o n: DO T R e gulatory Policie s a nd Procedur es : 

### I s the AD 

### s ign i fi c a nt?



## ~ YE S * 

## 0 N O [;g) *Ex pl anat i on:Regulato1-y F l exibility Act: Will the AD have a significant econo mic impact on a substa ntial number of small entities? Explain for either a Ye s o r No



## answer **~** YESD

**NO~** Explanat ion: Intrastate Aviation in Alaska: This AD could affect intrastate aviation in Alaska. Is it appropriate to include specific requirements for aircraft ope r ated in Alaska w h ere aviat i on might be the on l y m ode of transportation ?

- YES*0

**NO~** *Explanation: