Avionics Upgrade
No failure report names the avionics upgrade. 3 FAA approvals let 1 company make a replacement avionics upgrade, Hollingsead International (No Longer Have Pma Production Approval) holding the most (3).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a avionics upgrade and sell it as an approved part for the models named. These are the companies holding such approvals for a avionics upgrade:
For these models most: Boeing 747 (3).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Hollingsead International (No Longer Have Pma Production Approval) | Avionics Upgrade Phase 2A Electronic Flight Instrument... MDL 12149 | Modification Part | Boeing 747-200, -300 Series, Serial Numbers: 21110 | 2001-12-05 | current |
| Hollingsead International (No Longer Have Pma Production Approval) | Avionics Upgrade - Phase 1 (Analog Instruments) MDL 12097 | Modification Parts | Boeing 747-200, 747-300, Serial Numbers: 21110 | 1999-05-10 | current |
| Hollingsead International (No Longer Have Pma Production Approval) | Avionics Upgrade MDL 12041 | Elsinore LP Parts as listed per Master Data... | Boeing 747-200, 300 | 1998-09-17 | 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.