Maintenance on circuits associated with electrically-activated container discharge…

Updated October 25, 2026 · element text from the FAA Aviation Mechanic ACS (FAA-S-ACS-1)

Practice AM.III.E.R3 out loud, free

What the ACS says

Maintenance on circuits associated with electrically-activated container discharge cartridges (squibs).

A sample oral question on this element

“A cartridge taken from one discharge valve is being installed in another valve assembly. What can happen?”

Study source: FAA-H-8083-32B (Aviation Maintenance Technician Handbook, Powerplant), chapter 9, pages 9-12, 9-13

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.III.E.R3 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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