The U.S. aircraft register, updated daily
Parts

Pas Box

No failure report names the pas box. 4 FAA approvals let 1 company make a replacement pas box, Triumph Controls INC holding the most (4).

Approved replacement parts 4 parts manufacturer approvals

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

For these models most: Airbus Defense And Space S A C-295 (4).

MakerPartReplacesFitsGrantedStatus
Triumph Controls INCPas Box, RH 64247-4AC511014AEADS CASA A21NM C2952010-10-14current
Triumph Controls INCPas Box, LH 64247-3AC511013AEADS CASA A21NM C2952010-10-14current
Triumph Controls INCPas Box, RH 64247-4AC511014AEADS CASA A21NM C2952010-10-14current
Triumph Controls INCPas Box, LH 64247-3AC511013AEADS CASA A21NM C2952010-10-14current

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.