The U.S. aircraft register, updated daily
Parts

Adapter Spline

0 failure reports named the adapter spline in the last ten years, 1 since 1995. 3 FAA approvals let 3 companies make a replacement adapter spline, Wencor West INC holding the most (1).

Reports by year

0001111995
Reports by year, as a table
reports
19951

Approved replacement parts 3 parts manufacturer approvals

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

For these models most: Mcdonnell Douglas DC-9 (2), Boeing 737 (2), Boeing 727 (2), Boeing 707 (2), Mcdonnell Douglas Helicopter 500 (1), Mcdonnell Douglas Aircraft Co MD-88 (1), Douglas DC-9 (1).

MakerPartReplacesFitsGrantedStatus
Wencor LLCAdapter-Spline 910C605-1WE910C605-1BOEING 707-100 Long Body, 707-100B...2012-04-04current
Mcclain International INC, Division of Heico AerospaceAdapter-Spline, Starter Drive Gearshaft RD3011447628Pratt & Whitney JT8D-1 thru -17 and -200 thru -219...2009-02-09current
Wencor West INCAdapter-Spline 910C605-1WESundstrand 910C605-1Boeing 737-100, -200, -200C1996-06-11current

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.