The U.S. aircraft register, updated daily
Parts

Monuments

No failure report names the monuments. 4 FAA approvals let 2 companies make a replacement monuments, Thales Avionics INC holding the most (2).

Approved replacement parts 4 parts manufacturer approvals

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

For these models most: Boeing 777 (2), Airbus A320 (2).

MakerPartReplacesFitsGrantedStatus
Thales Avionics INCKIT MONUMENTS (ENHANCED CABIN) 502216-01Modification PartAirbus A320-2322019-03-23current
Thales Avionics INCKIT MONUMENTS (CLASSIC CABIN) 502216-02Modification PartAirbus A320-2322019-03-23current
Ttf Aerospace, LLC777 Monuments 16T0340001-316T0340001-3Boeing 777-200 Series2018-05-06current
Ttf Aerospace, LLC777 Monuments 16T0340001-1B16T0340001-1BBoeing 777-200 Series2018-05-06current

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.