The U.S. aircraft register, updated daily
Parts

Stop Slack

No failure report names the stop slack. 2 FAA approvals let 2 companies make a replacement stop slack, Aviation Plastics holding the most (1).

Approved replacement parts 2 parts manufacturer approvals

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

For these models most: Boeing 737 (2).

MakerPartReplacesFitsGrantedStatus
Aerostar Engineering INCStop-Slack Track Wing, Leading Edge Dwg AE69-54952Boeing 69-54952Boeing 7371993-07-06current
Aviation PlasticsStop-Slack Track Wing, Leading Edge Dwg AE69-54952Boeing 69-54952Boeing 7371993-06-22current

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.