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Engine and powerplant

STC SE3877NM

FAA DRS lists SE3877NM as Current · Reissued, held by Kai V. Nielsen, for Textron Lycoming AVCO O-235-L2C. Recorded change: Modification of a Lycoming O-235-L2C engine to increase the horsepower rating from 115 HP @ 2700 RPM to a continuous 125 HP @ 2800 RPM. Snapshot dated June 30, 2026.

FAA-listed holder
Kai V. Nielsen
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Modification of a Lycoming O-235-L2C engine to increase the horsepower rating from 115 HP @ 2700 RPM to a continuous 125 HP @ 2800 RPM.

SE3877NM 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 Lycoming AVCO O-235-L2C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Lycoming AVCO O-235-L2CE-223

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Textron Lycoming AVCO O-235-L2C 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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