The U.S. aircraft register, updated daily
Parts

Cfm Core

No failure report names the cfm core. 2 FAA approvals let 1 company make a replacement cfm core, Harcosemco LLC holding the most (2).

Approved replacement parts 2 parts manufacturer approvals

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

MakerPartReplacesFitsGrantedStatus
Harcosemco LLCCFM56-7 replacement core engine and exhaust gas... 30961-100325-025-201-0,325-025-202-0,325-043-400-0,325-0...CFM International CFM-7 as per STC Approved Model List2024-03-26current
Harcosemco LLCCFM56-7 replacement core engine and exhaust gas... 30967-100325-025-301-0,325-034-801-0,325-034-802-0,325-0...CFM International CFM-7 as per STC Approved Model List2024-03-26current

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.