Recently we have been asked to repair an aluminum honeycomb part that we suspect has corrosion inside on a large area.
Due to the size and function of the part we are forced to replace the whole external skin (0.5 mm thick), but we need to keep internal core if at all possible.
Does someone...
The practice of copying existing holes from structure to repair parts like doublers or splices is used as standard.
Although it is assumed that the holes are completely aligned if you use guide bushing to transfer them between parts, if you take into account clearance between bushings and hole...
We have an aircraft pending repair with some holes damaged. Holes are used on a joint with AN5-6A bolts (5/16-24 steel bolts)
We can't go to AN6-6A cause we don't have enough edge distance in one of the joint members.
The damage can be removed by enlarging hole 1/64 and we have found two bolt...
