The U.S. aircraft register, updated daily
Parts

Spacer Stage

No failure report names the spacer stage. 1 FAA approvals let 1 company make a replacement spacer stage, Mcclain International INC, A Heico Aerospace Company holding the most (1).

Approved replacement parts 1 parts manufacturer approvals

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

MakerPartReplacesFitsGrantedStatus
Mcclain International INC, A Heico Aerospace CompanySpacer-Stage 1 HPT Bolt M4124T94G03General Electric P/N 4124T94G03General Electric... CF34-8C5, CF34-8C5A1, CF34-8C5B12018-10-14current

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.