A bolt attachment is attached to {HEAD ~ the outer surface} of {TAIL ~ the fan case} and has a composite boss with at least one threaded metallic insert 
of
A bolt attachment is attached to { HEAD ~ the outer surface } of { TAIL ~ the fan case } and has a composite boss with at least one threaded metallic insert
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH