Shaky Jake
An aircraft that has scheduled trips but is precariously close to breaking and not able to complete trips.
Scheduler: "Hey, Mechanic. Is 431HF going to make it's trips in 2 hours?"
Mechanic: "It's shaky jake brother, shaky jake."
Scheduler: "dam, so you're telling me it's not broke or fixed right now."
Mechanic: "It's shaky jake brother, shaky jake."
Scheduler: "dam, so you're telling me it's not broke or fixed right now."