After cleaning the spark plugs, what was the outcome of the run-up?

After cleaning the spark plugs, what was the outcome of the run-up?

• A. The run-up failed and we aborted
• B. The maintenance shop closed early
• C. The flight was cancelled
• D. Everything performed well so I took the girl up for the flight

Answer: (D)

The key idea is that a run-up after maintenance is used to confirm the ignition and engine are operating normally. When spark plugs are cleaned, you expect the engine to run smoothly, with stable RPM and no misfires or roughness. If the run-up shows everything performing well, it means the tune-up was successful and the aircraft is cleared for flight. This is why the best choice is that everything performed well and you proceeded with the flight. The other options describe outcomes that don’t reflect a normal, successful run-up after spark plug cleaning (such as aborting, the shop closing early, or a cancellation) and aren’t consistent with a successful maintenance check.

The key idea is that a run-up after maintenance is used to confirm the ignition and engine are operating normally. When spark plugs are cleaned, you expect the engine to run smoothly, with stable RPM and no misfires or roughness. If the run-up shows everything performing well, it means the tune-up was successful and the aircraft is cleared for flight. This is why the best choice is that everything performed well and you proceeded with the flight. The other options describe outcomes that don’t reflect a normal, successful run-up after spark plug cleaning (such as aborting, the shop closing early, or a cancellation) and aren’t consistent with a successful maintenance check.