The U.S. aircraft register, updated daily
Parts

Retractable Step

No failure report names the retractable step. 3 FAA approvals let 1 company make a replacement retractable step, Aero Crafter INC holding the most (3).

Approved replacement parts 3 parts manufacturer approvals

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

For these models most: Sikorsky S-76 (1), Sikorsky S-70 (1), Bell 222 (1).

MakerPartReplacesFitsGrantedStatus
Aero Crafter INCRetractable Step 86-2325-1Sikorsky S-70C1992-09-28current
Aero Crafter INCRetractable Step 84-25-101Bell 222, 222B, 222U1992-09-28current
Aero Crafter INCRetractable Step 81-2103-3Sikorsky S-76A, S-76B, S-76C1992-09-28current

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.