Rings
0 failure reports named the rings in the last ten years, 29 since 1995. 2 FAA approvals let 2 companies make a replacement rings, Thales Avionics INC holding the most (1). The reports call it "o-rings", "rings", "o rings".
Reports by year
Reports by year, as a table
| reports | |
|---|---|
| 1995 | 11 |
| 1996 | 7 |
| 1997 | 7 |
| 1998 | 3 |
| 1999 | 1 |
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a rings and sell it as an approved part for the models named. These are the companies holding such approvals for a rings:
For these models most: Airbus A320 (1).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Thales Avionics INC | D-RINGS CR4HM | Modification Part | Airbus A320-232, -271N | 2019-03-13 | current |
| Seal Dynamics INC | O-Rings J221P001(S) thru J221P1500(S) | J221P001 thru J221P1500 | CFM International CFM56-2, CFM56-3, CFM56-5 | 2001-02-04 | 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.