It’s bound to happen. Your airplane hits the shop for an annual inspection and all seems to be going we’ll until that dreaded call from the mechanic, who says the propeller (or propellers, if it’s a twin) needs to get shipped to a propeller shop for overhaul.
But what exactly happens to that propeller once it hits the shop is a mystery of sorts, as propeller maintenance is specialty work. To unravel the mystery I spent some time at Sensenich Propeller Services in Georgia, one of the country’s oldest and highest-volume propeller shops. Here’s a field report.