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Engine and powerplant

STC SA5042SW-D

FAA DRS lists SA5042SW-D as Current · Reissued, held by L-3 Communications Integrated Systems LP, for Boeing 707-300B Series. Recorded change: Modificaton of the potable water system, installation of floor pans, handrail installation, battery bus disconnect, removal of the engine vibration monitoring (AVM) system; and Q-Spring heater modification. Snapshot dated June 30, 2026.

FAA-listed holder
L-3 Communications Integrated Systems LP
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Modificaton of the potable water system, installation of floor pans, handrail installation, battery bus disconnect, removal of the engine vibration monitoring (AVM) system; and Q-Spring heater modification.

SA5042SW-D 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: Boeing 707-300B Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 707-300B Series4A26

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 707-300B Series model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data 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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