The U.S. aircraft register, updated daily
Parts

End Frame

No failure report names the end frame. 5 FAA approvals let 4 companies make a replacement end frame, Volant holding the most (2).

Approved replacement parts 5 parts manufacturer approvals

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

For these models most: Boeing 767 (2), Boeing 737 (2).

MakerPartReplacesFitsGrantedStatus
Northwest Aerospace Technologies, INC.END FRAME SIDE 22N00045-12322N00045-123Boeing 767-300 Series2018-11-11current
Northwest Aerospace Technologies INCEND FRAME SIDE 22N00045-12322N00045-123Boeing 767-3002016-01-20current
Balloonacy LTD LLCEnd Frame, RB12 ARP5306253062Aerostar Intl, Inc. All series with RB12 gondola installed2013-07-07current
VolantEnd Frame Assy 65C16888-165C16888-1The Boeing Company 737-200 Series2010-07-07current
VolantEnd Frame Assy 65C16888-265C16888-2The Boeing Company 737-200 Series2010-07-07current

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.