What’s a SUP-MIDO issues a UPN and AIR 800 rescinds it?

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Greensboro aviation company sold ‘unapproved parts’, says FAA

MIDO says NO

AIR-800 says OK


Suspected Unapproved Parts constitute a serious risk to aviation safety and yet detection of them in the QC process require some of the most erudite recognition skills. This case, involving what is a legal part, may show how difficult it is to discern a good part from a bad part.

This lesson begins with the FAA office closest to Genesis Aviation and with a high level of knowledge about the manufacturing process, FAA Atlanta MIDO section, on February 15,2018 issued an Unapproved Parts Notification– UPN 2017-98-071R.  The FAA notice warned aircraft owners, operators, manufacturers, maintenance organizations, parts suppliers and distributors regarding the affected parts listed above were distributed without traceability to a FAA Production Approval.



The FAA interpreted this notice for the Greensboro newspaper in this quote:



"The parts sold by Genesis Aviation are "expendable" [1]items, according to the FAA, and include filter elements, 
bushings and clamp loops. Expendable items, the FAA says, are parts that are cheaper to replace than repair.
The FAA's warning doesn't mandate that any planes with these parts be grounded.”






[picture is not of actual parts, but shows representative

images of the parts mentioned]

So far, so good. The SUP system appears to have worked well and a warning was sent identifying the offending items.


The System Oversight Division (AIR-800) in Seattle, WA, rescinded the UPN on March 9,2018. That organization is authorized to “oversee{s} all FAA approvals, certificates, and bilateral partners in addition to designee and delegation programs.” UPNs are within its expertise Upon further review, AIR-800 was able to determine that Genesis had adequate proof that they came from an authorized PAH.

The moral of the story is that what is and what is not, an SUP even to the FAA, is CONFUSING. To limit the risk that something in your inventory is designated in a UPN, consider more education.

[1] not the FAA definition, but from a standard source “Component or part (such as bolt, nut, rivet) for which (1) no authorized repair procedure exists, and/or (2) the cost of repair would exceed cost of its replacement. Expendable items are usually considered to be consumed when issued and are not recorded as returnable inventory”.


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