Docket No. FAA- 2DI 0 -12 72.

Regulatory Evaluation

I 20/0 -A/fi/I-2.2b-AD

Directorate Identifier: vAD

EstimatedCosts; ~r? L (\...\. \-(,-ci.--v"c-\c:.n, ,de:::.: ~ -\: .Q ·~--I,--,~:'.--\v"-{~'YtY\(,,--n-;Y,

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

I Action

propeller, appliance)

(e,g., Inspection, Work-hours Labor Parts Cost Total Costs Number of Total Cost

replacement) (include cost (labor + U.S. for U.S, Fleet

access, testing, (@$85/h parts) Registered

and close-up) our) Products

II·· ,

I '"

It 'I ,

The known number of products in compliance:

Total Costs of comnliance for U,S. fleet: $ 0

Costs covered under warranty $

Special considerations for Economic Analysis (Use thisfleldto explain anything in Ihe Estimated Costs fable

that was assumed or might nO! be obvious. Thisfield can also be used to explain warranty costs): The total cost

for the U.S. fleet varies by group number specified in Bo~ing Service Bulletin (S8) 727-28-0131,

Original Issue, dated August 18, 2010. The labor and parts cost will vary as well as the applicable

aircraft in each group, therefore, the total cost is attached ~s a spreadsheet.

Executive Order 12866: I

Could the AD be considered a "significant regulatory action"? ~,

YES' 0 NO [Z]

"Explanation:

DOT Regulatory Policies and Procedures:

Is the AD significant? _

YES' 0 NO [Z]

*Explanation:

Regulatory Flexibility Act: I

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

either aYes or No answer.. I

YES 0 NO [Z]

Explanation:

Jntrastate Aviation in Alaska:

This AD could affect llltrastate aVlatlon III Alaska. Is it appropriate to include specJf'ic requlfcments for

aircraft operated in Alaska where aViation might be the only mfde of transportation? _

YES' 0 NO [Z]

*Explanation:
GROUP Hours Kit Price US Airplanes Labor Cost Total Cost per Airplane Total Cost

1 86 65C38446-1 $16,191.00 75 $7,310.00 $23,501.00 $1,762,575,00

2 222,9 65C38446-2 $32,383.00 0 $18,946.50 $51,329.50 $0.00

3 223 65C38446-2 $32,383.00 0 $18,955,00 $51,338.00 $000

4 2229 65C38446-2 $32,383,00 1 $18,946.50 $51,329.50 $51,329.50

5 222.9 65C38446-2 S32,383.00 1 $18,946,50 $51,329.50 $51,329.50

6 222,9 65C38446-2 $32,383.00 3 $18,946.50 $51,329,50 $153,988.50

7 222.9 65C38446-2 $32,383.00 0 $18,946,50 $51,329.50 $0.00

8 223.1 65C38446-2 $32,383.00 0 $18,963,50 $51,346,50 $0.00

222.9 65C38446-2 $32,383.00 3 $18,946.50 $51,329.50 $153,988.50

1 222.9 65C384463 $33,111.00 5 $18,946.50 $52,057,50 $260,287.50

11 235.6 65C38446-4 $33,942.00 0 $20,026.00 $53,968.00 $0.00

12 86 65C38446-5 $15,833,00 4 1$7,310.00 $23,143,00 $92,572.00

1 90.25 65C384466 $15,612,00 11 1$7,671.25 $23,283,25 $256,115.75

1 86 65C38446-7 $15,810,00 6 1$7,310.00 $23,120.00 $138,720.00

15 223.2 65038446 8 $33,937.00 1 $18,972.00 $52,909.00 $52,909.00

16 222.9 65C38446-8 $33,937,00 44 $18,946.50 $52,883.50 $2,326,874.00

17 222.9 65C38446-8 $33,937,00 174 $18,946.50 $52,883.50 $9,201,729.00

18 235.5 65C38446-9 $33,86600 16 $20,017,50 $53,883.50 $862,136,00

1 235.5 65C384469 $33,866.00 10 $20,017.50 $53,883.50 $538,835.00

2 222.4 65C38446-10 $33,641.00 0 $18,904,00 $52,545.00 $0.00

21 222.4 65C38446-10 $33,641.00 0 $18,904,00 $52,54500 $0.00

22 222.4 65C38446 10 $33,641.00 1 $18,904,00 $52,545,00 $52,545.00

2 222.3 65C38446-10 $33,641.00 11 $18,895,50 $52,536.50 $577,901.50

24 222.3 65C38446-10 $33,641.00 22 $18,895,50 $52,536,50 $1,155,803.00

25 247,3 65C38446 11 $35,914.00 0 $21,020,50 $56,934.50 $0.00

26 234,6 65C38446-12 $34,141.00 0 $19,941.00 $54,082,00 $0.00

27 234,8 65C38446-13 $33,955.00 0 $19,958.00 $53,913.00 $0.00

28 2343 65C38446-13 $33,955.00 1 $19,915.50 $53,870.50 $53,870.50

29 234,7 65C38446-13 $33,955.00 2 $19,949.50 $53,904.50 $107,809.00

30 234,7 65C38446-13 $33,955.00 0 $19,949.50 $53,904.50 $0.00

31 2346 65C38446-13 $33,955.00 6 $19,941.00 $53,896.00 $323,376.00

32 234,6 65C38446-13 $33,955.00 41 $19,941,00 $53,896,00 $2,209,736.00

33 234,5 65C38446 13 $33,955.00 14 $19,932.50 $53,887,50 $754,425.00

34 2345 65C38446-13 $33,955.00 9 $19,932.50 $53,887.50 $484,987.50

35 2473 65C38446-14 $34,712.00 0 $21,020.50 $55,732,50 $0.00

36 247 65C38446-14 $34,712.00 2 $20,995.00 $55,707,00 $111,414.00

37 247,1 65C38446 14 $34,712.00 0 $21,003.50 $55,715,50 $0.00

38 247 65C38446-14 $34,712.00 1 $20,995.00 $55,707,00 $55,707.00

39 239,5 65C38446-15 $33,907.00 6 $20,357.50 $54,264.50 $325,587.00

40 222.9 65C38446-16 $33,910.00 6 $18,946.50 $52,85650 $317,139.00

41 235.2 65C38446-17 $33,847.00 23 $19,992.00 $53,839.00 $1,238,297.00

42 224.4 65C38446 18 $32,307.00 1 $19,074.00 $51,381,00 $51,381.00

4 223.3 65C38446-19 $33,574,00 7 $18,980.50 $52,554,50 $367,881.50

4 223.3 65C38446-19 $33,574.00 20 $18,980.50 $52,554,50 $1,051,090.00

45 223.3 65C38446-20 $33,671.00 2 $18,980.50 $52,651,50 $105,303.00

4 223 65C38446-21 $33,547.00 25 $18,955.00 $52,502.00 $1,312,550.00

4 223.3 65C38446-20 $33,671.00 0 $18,980.50 $52,651.50 $0.00

48 235.1 65C384468 $33,937.00 1 $19,983.50 $53,920.50 $53,920,50

4 223 65C38446-8 $33,937.00 11 $18,955.00 $52,892.00 $581,812.00

566 $908,254.75 $2,485,990.75 $27,195,924.75