The U.S. aircraft register, updated daily
Parts

Switch Microminature

No failure report names the switch microminature. 2 FAA approvals let 1 company make a replacement switch microminature, Janco CORP 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 switch microminature and sell it as an approved part for the models named. These are the companies holding such approvals for a switch microminature:

For these models most: Boeing 777 (1), Boeing 737 (1).

MakerPartReplacesFitsGrantedStatus
Janco CORPSwitch Microminature BD45-0007BD45-0007Boeing 737-600 Series, 737-700 Series,...2003-06-17current
Janco CORPSwitch Microminature BD45-0008BD45-0008Boeing 777-200 Series2003-06-17current

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.