A REALLY bad joke

Jim Macklin wrote:
Never say, "Fasten your seat belts, we're going down."
Better say, "Fasten your seatbelt, I'm getting ready to
land." even if you're going down.

An FBO employee made my wife (a nervous airline flyer) turn ghost white
by saying: "A busy day gets worse when one of your planes goes down."
He was referring to a rental C152 with an alternator squawk "going down"
for maintenance. G