Am Ob
No failure report names the am ob. 4 FAA approvals let 1 company make a replacement am ob, Pro Star Precision Machining, LLC holding the most (4).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a am ob and sell it as an approved part for the models named. These are the companies holding such approvals for a am ob:
For these models most: Beechcraft B300 King Air 350 (4).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Pro Star Precision Machining, LLC | AM Fwd LH OB Zee 3973-3-1FLO | Modification Part | Textron Aviation B300, B300C | 2021-07-26 | current |
| Pro Star Precision Machining, LLC | AM Aft RH OB Zee 3973-3-1ARO | Modification Part | Textron Aviation B300, B300C | 2021-07-26 | current |
| Pro Star Precision Machining, LLC | AM Fwd RH OB Zee 3973-3-1FRO | Modification Part | Textron Aviation B300, B300C | 2021-07-26 | current |
| Pro Star Precision Machining, LLC | AM Aft LH OB Zee 3973-3-1ALO | Modification Part | Textron Aviation B300, B300C | 2021-07-26 | 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.