The U.S. aircraft register, updated daily
Parts

Filter System

No failure report names the filter system. 1 FAA approvals let 1 company make a replacement filter system, Soloy LLC 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 filter system and sell it as an approved part for the models named. These are the companies holding such approvals for a filter system:

MakerPartReplacesFitsGrantedStatus
Soloy LLCFilter System Assembly 1369A1Modification PartMD Helicopters, Inc. MDHI) (369D, E, HM2004-11-14current

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.