| (17-2 step 6):
In preparation for deburring the stiffener holes I noticed there
were a lot of scratches on them from the manufacturing process.
These look pretty ugly and it’s the first stiffeners we've seen
that had them this bad (these are the same type stiffeners used in the
tailcone)… The scotch-brite wheel handled them pretty well. |
| (17-3 steps 8 & 9):
Once the scratches were taken care of I deburred the holes, wiped
them down with some MEK, and then dimpled the holes. The
stiffeners are done. |
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