If it's like my FL112 business class interior you have to make one. I used some scrap aluminum diamond plate and then shot it flat black to match the other covers. Wil-Ro made or had one for the business class interior but I'm not sure if they sell them or just put them in their conversions (had an FL60 they did for a while).
Only suggestion if you make yours is use a real jig saw. The in a hurry method of the Sawzall and a bench top vise didn't make for the cleanest of cuts.... However it isn't bad enough for me to make another.
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