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Other aircraft modifications

STC ST09568SC

FAA DRS lists ST09568SC as Current · Amended, held by Steinbach & Associates, Inc., for Learjet Learjet 24, Learjet Learjet 24F, and Learjet Learjet 24E, and 21 more aircraft configurations. Recorded change: Modification of existing refrigerant R12 air conditioning systems to convert them into refrigerant R134a systems on the aircraft identified above. Snapshot dated June 30, 2026.

FAA-listed holder
Steinbach & Associates, Inc.
Aircraft configurations
24
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Modification of existing refrigerant R12 air conditioning systems to convert them into refrigerant R134a systems on the aircraft identified above.

ST09568SC 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: Learjet Learjet 24, Learjet Learjet 24F, and Learjet Learjet 24E, and 21 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Learjet Learjet 24A10CELearjet Learjet 24FA10CELearjet Learjet 24EA10CELearjet Learjet 24D-AA10CELearjet Learjet 24DA10CELearjet Learjet 24CA10CELearjet Learjet 24B-AA10CELearjet Learjet 24AA10CELearjet Learjet 25AA10CELearjet Learjet 24BA10CELearjet Learjet 31A10CELearjet Learjet 24F-AA10CELearjet Learjet 25A10CELearjet Learjet 36AA10CELearjet Learjet 36A10CELearjet Learjet 35A (C-21A)A10CELearjet Learjet 31AA10CELearjet Learjet 29A10CELearjet Learjet 28A10CELearjet Learjet 25FA10CELearjet Learjet 25CA10CELearjet Learjet 25BA10CELearjet Learjet 35A10CELearjet Learjet 25DA10CE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Learjet Learjet 24 and Learjet Learjet 24F, and 22 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs 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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