Installed Stall warning system Ruined 1 vane and had to re-order. Had to drill out hole in vane to fit bolt but didn't clamp body firmly enough. Almost ruined new part too.
Had to order small 1/4" bushing for wiring thru existing spar hole. (later determined tha 1/4" snap bushing lacks necessary depth for spar web thickness - replaced with 3/16 diam snap bushing on June 1. Twisted wire