It used to be “pencil whipping” on the shop floor, which amounted to fraud, and caused a flight attendant to be lost in Hawaii.
Remember. Now it just occurs in plain sight, no attempt to hide, or even explain. Airframer say jump, FAA say: “How High?”
Trust, But verify. Unless it’s too expensive? Not the first time a system was untested while carrying passengers.
Boeing did the same thing with Yuasa batteries. The fleet was grounded, but not by Boeing