The U.S. aircraft register, updated daily
Parts

Wing Box

0 failure reports named the wing box in the last ten years, 3 since 1998. 2 FAA approvals let 1 company make a replacement wing box, Triumph Aerostructures holding the most (2).

Reports by year

0122331998
Reports by year, as a table
reports
19983

Approved replacement parts 2 parts manufacturer approvals

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

For these models most: Airbus A320 (2), Airbus A319 (2).

MakerPartReplacesFitsGrantedStatus
Triumph AerostructuresOuter Wing Box, RH 571179B89R00571179B89R00Airbus A319-112, A319-115, A319-1322016-10-25current
Triumph AerostructuresOuter Wing Box, LH 571179B88R00571179B88R00Airbus A319-112, A319-115, A319-1322016-10-25current

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.