FAA PMA replacements for
21507-04
38 approvals from 9 holders · 30 current
Approved PMA parts
| PMA part number | Holder | Status | Supplement | Part name |
|---|---|---|---|---|
| H21507-04 | HRD Aerosystems Inc | Current | 2025-12-16 | Oxygen Cylinder |
| N23D-21507-04 | N23D Services LLC | Current | 2024-07-01 | Cylinder |
| H21507-04 | HRD Aerosystems Inc | Current | 2023-07-26 | Oxygen Cylinder |
| N23D-21507-04 | N23D Services LLC | Current | 2022-03-01 | Cylinder |
| N23D-21507-04 | N23D Services LLC | Current | 2021-09-29 | Cylinder |
Showing 5 of 38 approvals.
