Part Number: 015U1252-19 (Top kit) Part Number: 015U1254-1 (Kit) Part Number: 015U1255-2 (Subkit) Part Number: 015U1255-3 (Subkit) Part Number: 015U1257-2 (Eng kit coa72-1776 eng kit) Part Number: 015U1257-3 (Tube ay) Part Number: 015U1260-4 (Tubing insulation insulatn) Part Number: 015U1260-5 (Tubing insulation insulatn) Part Number: 015U1270-20 (Tape) Part Number: 015U1274-1 (Topkit-add of maint support brkt) Part Number: 015U1275-23 (Kit) Part Number: 015U1275-3 (Kit-fuse pin boe sb747-54-2155) Part Number: 015U1275-71 (Mid spar) Part Number: 015U1275-72 (Fuse pin - kit)