ACS codes · Airframe · Non-Metallic Structures
AM.II.B.K27 · Knowledge
Window temporary and permanent repairs
Updated October 25, 2026 · element text from the FAA Aviation Mechanic ACS (FAA-S-ACS-1)
Practice AM.II.B.K27 out loud, free
What the ACS says
Window temporary and permanent repairs.
A sample oral question on this element
“You find a crack in a plastic windshield. What repair options are available?”
Study source: AC 43.13-1B, chapter 3, page 3-23
If this code is on your test report
Your Airman Knowledge Test Report (AKTR) lists an ACS code for every knowledge area you missed on the written test. On the A&P oral, each of those codes adds one question to that section, on top of a minimum of four random questions (FAA Mechanic Test Generator FAQ). So if AM.II.B.K27 is on your AKTR, expect the examiner to ask about it. More on how codes turn into oral questions: A&P ACS codes: know your codes before the oral.
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