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Aircraft structures

STC ST04552CH

FAA DRS lists ST04552CH as Current · Issued, held by Nextant Aerospace LLC, for Textron Aviation 400, Textron Aviation 400A, and Textron Aviation 400T, and 1 more aircraft configuration. Recorded change: Installation of replacement parts consisting of horizontal stabilizer ribs, pivot fitting, and spar attach angle in accordance with Nextant Aerospace Master Data List Document No. NT0027-MDL0-0000, Revision C, dated April 7, 2022, and FAA approved August 30, 2022, or later FAA approved revision. \nInstructions for Continued Airworthiness (ICA), Document No. NT0027-ICA0-0100, Revision B, dated July 21, 2022, FAA approved September 6, 2022, or later approved revision is required for this installation. Snapshot dated June 30, 2026.

FAA-listed holder
Nextant Aerospace LLC
Aircraft configurations
4
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Installation of replacement parts consisting of horizontal stabilizer ribs, pivot fitting, and spar attach angle in accordance with Nextant Aerospace Master Data List Document No. NT0027-MDL0-0000, Revision C, dated April 7, 2022, and FAA approved August 30, 2022, or later FAA approved revision. \nInstructions for Continued Airworthiness (ICA), Document No. NT0027-ICA0-0100, Revision B, dated July 21, 2022, FAA approved September 6, 2022, or later approved revision is required for this installation.

ST04552CH identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Textron Aviation 400, Textron Aviation 400A, and Textron Aviation 400T, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Aviation 400A16SWTextron Aviation 400AA16SWTextron Aviation 400TA16SWTextron Aviation MU-300-10A16SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Aviation 400 and Textron Aviation 400A, and 2 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, loads, materials, inspections, and damage limits apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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