The U.S. aircraft register, updated daily
Parts

Transmission And

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

For these models most: Boeing 777 (2).

MakerPartReplacesFitsGrantedStatus
Moog INCTRANSMISSION AND GEAR 256W3401-4256W3401-4BOEING 777-200 SERIES, 777-200LR SERIES,...2022-10-14current
Moog INCTRANSMISSION AND GEAR 256W3401-5256W3401-5BOEING 777-200 SERIES, 777-200LR SERIES,...2022-10-14current

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.