The U.S. aircraft register, updated daily
Parts

Magnastar

No failure report names the magnastar. 2 FAA approvals let 2 companies make a replacement magnastar, Gte Airfone INC holding the most (1).

Approved replacement parts 2 parts manufacturer approvals

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

For these models most: Embraer EMB-145 ERJ 145 (1), Boeing 767 (1).

MakerPartReplacesFitsGrantedStatus
Avionics Support Group INCMagnastar C-750 2585-2239-100-01ModificationBoeing 767-3002002-02-19current
Gte Airfone INCMagnaStar / GenStar Air-to-Ground Public Telephone System AFP70-2118-00Modification PartEmbraer Empresa EMB-1451999-10-25current

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.