STC ST04517AT

ST04517AT United Parcel Service Company 1400 N. Hurstbourne Pkwy Louisville, KY 40223 Part 25 Federal Aviation Regulations A22WE The Boeing Company MD-11F Installation of hardware to existing side conveyor assemblies to provide additional A-size ULD capability per assembly drawing MD11-25-096 Rev. A and the Master Drawing List found in AER20-2550-0041 Rev.

B Appendix A or later FAA approved revisions. Airplane Flight Manual Supplement AER20-2550-0065 and Weight & Balance Manual Supplement AER20-2550-0046 are required. Instructions for Continued Airworthiness AER20-2550-0045 are applicable.

1) The installer must determine if this design change is compatible with previously approved modifications.

(See continuation sheets 3 through 3.)

June 11, 2020 June 8, 2021 (for) Christina M. Underwood Manager, Atlanta ACO Branch 3

ST04517AT 3

ST04517AT United Parcel Service Company Date of issuance June 08,2021

2. You cannot use descriptive data from this design change to duplicate other products.

This approval is limited to only the installation made in Boeing MD-11F serial numbers 48805, 48806, 48782, 48800, 48803.

3. The original certification basis for an MD-11 aircraft was used for this STC which includes Part 25 Amendments 25-1 through 25-61. Compliance was shown to the following list of Federal Aviation Regulations, 14 CFR:

25.1 (Amdt 25-0), 25.23 (Amdt 25-0), 25.301 (Amdt 25-23), 25.303 (Amdt 25-23),

25.305 (Amdt 25-54), 25.307 (Amdt 25-54), 25.601 (Amdt 25-0), 25.603 (Amdt 25-46),

25.605 (Amdt 25-46), 25.609 (Amdt 25-0), 25.613 (Amdt 25-46), 25.787 (Amdt 25-51),

25.1519 (Amdt 25-0), 25.1529 (Amdt 25-54), 25.1541 (Amdt 25-0), 25.1581 (Amdt 25-46), 25.1583(c) (Amdt 25-46).

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