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Other aircraft modifications

STC SE02050AK

FAA DRS lists SE02050AK as Current · Reissued, held by Custom Aircraft Inc, for Textron Lycoming AVCO IO-540-W1A5D. Recorded change: Grind nitrided high compression cylinder barrels to plus 0.010 oversize and install P10 piston, P10 compression rings, and P10 oi l rings. Snapshot dated June 30, 2026.

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FAA-listed holder
Custom Aircraft Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SE02050AK 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 IO-540-W1A5D. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Textron Lycoming AVCO IO-540-W1A5D1E4

FAA record reference

STC number
SE02050AK
Product
Engine
Country
United States
Application date
February 27, 1996
Revision date
June 6, 2012
CFR references
Part 13, Part 21