The U.S. aircraft register, updated daily
Parts

Window Roof

No failure report names the window roof. 3 FAA approvals let 2 companies make a replacement window roof, Nordam-Texas holding the most (2).

Approved replacement parts 3 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a window roof and sell it as an approved part for the models named. These are the companies holding such approvals for a window roof:

MakerPartReplacesFitsGrantedStatus
Nordam Transparency DivWindow Assy Roof MBK117-21221-3, -4, -5,...Eurocopter Deutschland117-21221-1 117-21221-2Eurocopter Deutschland MBB-BK117A1, A3, A41999-10-12current
Nordam-TexasWindow Assembly Roof MBK117-21221-3, -4, -5,...Eurocopter GMBH 117-21221-1, 117-21221-2Eurocopter Deutschland MBB-BK117A1, A3, A41997-08-20current
Nordam-TexasWindow Assembly Roof M-BK117-21221-3, -4, -5,...Messerschmitt-Bolkow-Blohm GMBH 117-21221-1,...Eurocopter Deutschland MBB-BK 117A1, A3, A41997-02-12current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.