Parts

Coupon

No failure report names the coupon. 1 FAA approvals let 1 company make a replacement coupon, Vaupell Northwest Molding and Tooling 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 coupon and sell it as an approved part for the models named. These are the companies holding such approvals for a coupon:

Vaupell Northwest Molding and Tooling 1

For these models most: Boeing 777 (1), Boeing 767 (1), Boeing 747 (1).

Maker	Part	Replaces	Fits	Granted	Status
Vaupell Northwest Molding and Tooling	COUPON 422W1181-11A	422W1181-11A	Boeing 747-400 SERIES) (767-200 SERIES,...	2014-01-22	current

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.