The U.S. aircraft register, updated daily
Parts

Impeller Air

No failure report names the impeller air. 1 FAA approvals let 1 company make a replacement impeller air, Aviation Facilities INC 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 impeller air and sell it as an approved part for the models named. These are the companies holding such approvals for a impeller air:

For these models most: Mcdonnell Douglas DC-9 (1), Mcdonnell Douglas Aircraft Co MD-88 (1), Boeing 737 (1), Boeing 727 (1).

MakerPartReplacesFitsGrantedStatus
Aviation Facilities INCImpeller-Air Cycle Machine 203697-1AFIAllied Signal Air Cycle Machine Impelle, 203697-1Boeing 727, 727-100, 7372000-02-27current

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.