The U.S. aircraft register, updated daily
Parts

Power Line

No failure report names the power line. 1 FAA approvals let 1 company make a replacement power line, Simplex Manufacturing CO 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 power line and sell it as an approved part for the models named. These are the companies holding such approvals for a power line:

For these models most: Airbus Helicopters AS355 TwinStar (1), Airbus Helicopters AS350 AStar (Écureuil), now H125 (1), Aerospatiale AS-355 (1).

MakerPartReplacesFitsGrantedStatus
Simplex Manufacturing CO510 Power Line Washing System 510-000000-001Modification PartEurocopter France AS350B1, AS350B2, AS350B32011-12-15current

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.