Service Bulletin (SB) 604-57-003 was just released earlier this year about a special check of inboard flaps forward lugs. While performing this SB, we made a couple of observations that will make this inspection easier.
If at all possible, perform this SB during a maintenance event that requires the canoe panels be removed. It provides easier access to the necessary area. If there are no such events scheduled, we suggest the following:
By doing this, you alleviate removing the forward canoe panels. There is additional support for this thought process when you reference Figure 3 on page 10 of 10 in the SB. The illustration shows the area to be inspected is located under the aft canoe panel.
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