Inch Ultra
No failure report names the inch ultra. 2 FAA approvals let 1 company make a replacement inch ultra, Rave Aerospace LLC holding the most (2).
Approved replacement parts 2 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a inch ultra and sell it as an approved part for the models named. These are the companies holding such approvals for a inch ultra:
For these models most: Boeing 737 (2).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Rave Aerospace LLC | 15.6 INCH ULTRA RDU / DDS BULKHEAD SHROUD, KIT, 737 12-0133-01 | 12-0133-01 | The Boeing Company 737-8 | 2026-09-24 | current |
| Rave Aerospace LLC | 13.3 INCH ULTRA RDU / DDS BULKHEAD SHROUD, KIT, 737 12-0132-01 | 12-0132-01 | The Boeing Company 737-8 | 2026-09-24 | 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.