Piercing Pin
No failure report names the piercing pin. 3 FAA approvals let 1 company make a replacement piercing pin, Hrd Aerosystems INC 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 piercing pin and sell it as an approved part for the models named. These are the companies holding such approvals for a piercing pin:
For these models most: Gulfstream GIV-X G450 (1), Boeing 777 (1), Boeing 767 (1), Boeing 737 (1), Aerospatiale ATR 72 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Hrd Aerosystems INC | Piercing Pin Assembly H801944 | 801944 | The Boeing Company 737-900ER Series | 2026-03-09 | current |
| Hrd Aerosystems INC | Piercing Pin Assembly H801944 | 801944 | Gulfstream Aerospace... GIV-X | 2025-12-04 | current |
| Hrd Aerosystems INC | Piercing Pin Assembly H801944 | 801944 | Aerospatiale ATR72-101, ATR72-201) Gulfstream... | 2006-04-10 | 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.