The U.S. aircraft register, updated daily
Parts

Swivel Elbow

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

For these models most: Boeing 747 (1).

MakerPartReplacesFitsGrantedStatus
Preece INCSwivel Elbow 74-2029-2Boeing 74-2029-2Boeing 747-100, 2001996-04-03current

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.