The U.S. aircraft register, updated daily
Parts

Seq Valve

0 failure reports named the seq valve in the last ten years, 13 since 1995. 3 FAA approvals let 1 company make a replacement seq valve, Honeywell International INC. holding the most (3).

Reports by year

02581031995101996
Reports by year, as a table
reports
19953
199610

Approved replacement parts 3 parts manufacturer approvals

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

MakerPartReplacesFitsGrantedStatus
Honeywell International INC.Seq Valve 3289520-13289520-1Rolls-Royce Corporation RB211-524D4-19, RB211-524D4-B-19,...2023-03-23current
Honeywell International INC.Seq Valve 3289520-23289520-2Rolls-Royce Corporation RB211-524D4-19, RB211-524D4-B-19,...2023-03-23current
Honeywell International INC.Seq Valve 3289520-33289520-3Rolls-Royce Corporation RB211-524D4-19, RB211-524D4-B-19,...2023-03-23current

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.