Originally Posted by
stevef
You could just as easily leave pens, redundant hardware or your glasses case somewhere and there's no control on them. I once saw a u/s vacuum pump left between the cylinders of a cowled-up engine and a batch label still taped onto the inner tube when doing a tyre change.
While doing a combined 72-month inspection / prebuy on a GIV, we found a large (4 cell) Maglite inside the left wing fuel tank. Based on a review of the maintenance records, it had been in there for at least 3 years.
After giving it a good soak in some isopropyl alcohol, and installing a new light bulb and batteries, it still worked!