Self Sealing
No failure report names the self sealing. 3 FAA approvals let 2 companies make a replacement self sealing, Knots 2U LTD holding the most (2).
Approved replacement parts 3 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a self sealing and sell it as an approved part for the models named. These are the companies holding such approvals for a self sealing:
For these models most: Piper PA-39 Twin Comanche C/R (2), Piper PA-32 Cherokee Six, Lance and Saratoga (2), Piper PA-31 Navajo and Chieftain (2), Piper PA-30 Twin Comanche (2), Piper PA-28 Cherokee, Warrior, Archer and Arrow (2), Piper PA-24 Comanche (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Knots 2U LTD | Self Sealing Screw Assy ADS-7551-111 | Modification Part | Piper Aircraft, Inc. PA-24, PA-24-250, PA -24-260 | 2018-08-07 | current |
| Knots 2U LTD | Self Sealing Screw Assy ADS-7551-111 | Modification Part | Piper Aircraft, Inc. PA-24, PA-24-250, PA -24-260 | 2018-07-18 | current |
| Eaton Aeroquip Incorporated | Self-Sealing Adapter 72202-12 | Airbus P/N 72202-12 | Airbus A380 -841, -842, -861 | 2009-04-26 | 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.