Page 16 - Volume 15 Number 2

Corrosion on the exterior (left) and in- terior (right) of the barrel of a King Air’s landing gear. It spreads and grows into the material and needs to be removed by sanding or scraping and if not thoroughly removed it will grow back. (Photo credit: Trace Aviation)
In the other case, the E90 fared very poorly in the corrosion depart- ment. We found it at every turn. The spar caps were corroded, as well as the skin joints that meet the spar caps. We found it inside the wing. The props were coming off for overhaul, but even before we removed them, corrosion was visible all over the hubs. The inside surface
of the nacelle tank cover panels were riddled with it. (Take note, this is a particularly vulnerable spot for cor- rosion on any King Air.) The more we inspected, the more corrosion we found. Everything I expected to find on the C90 from Hawaii was what I found on this E90 after being out in the desert. How could this be? Well, the logbooks and maintenance
14 • KING AIR MAGAZINE
FEBRUARY 2021