The U.S. aircraft register, updated daily
Parts

Pressure Reservoir

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

MakerPartReplacesFitsGrantedStatus
Tavco INCPressure Reservoir 23111286McDonnell Douglas D17741-101MD Helicopters, Inc. MDHI) (369HS1996-11-06current

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.