357 failure reports named the stub frame in the last ten years, 362 since 1995, most often on the Boeing 737; the condition most often found was "cracked". 3 FAA approvals let 2 companies make a replacement stub frame, Spirit Aerosystems INC holding the most (2). The reports call it "stub frame", "stub frame".
Reports by year
Reports by year, as a table
reports
1995
1
1996
3
1998
1
2017
3
2018
4
2019
8
2020
10
2021
50
2022
61
2023
26
2024
62
2025
94
2026
39
Which system the reports file it under last ten years
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a stub frame and sell it as an approved part for the models named. These are the companies holding such approvals for a stub frame:
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.
