Unapproved Parts Notice: GE engine controls (FADEC), part number 4120TOOP12DT

January 9, 2014 by Leave a comment

Yesterday, the FAA released an Unapproved Parts Notice (UPN) concerning two FADEC units that were allegedly not produced under production approval.

The two units are experimental aircraft engine controls, and the UPN claims they are manufactured by the General Electric Company (the non-experimental version of the FADEC is manufactured by a vendor to GE).  They are identified by part number 4120T00P12DT, and by serial numbers LMDL0123 and LMDL0145.  According to the UPN, the two units were produced without Federal Aviation Administration (FAA) production approval.  The UPN does not explain how the units were released.  The 4120T00P12 (without the DT) can be used on certain CF34-8 engines.

The FAA has recommended that is these FADEC units are found in existing inventory, then the FAA would like them to be quarantined to prevent installation until a determination can be made regarding the origin and eligibility for installation.  The FAA has asked for anyone discovering these units to report them to the FAA:

Federal Aviation Administration
Vandalia Manufacturing Inspection District Office (MIDO)
303 Corporate Center Drive, Suite 312, Vandalia, OH 45377
Phone number: 937-898-3991
FAX number: 937-898-8717

The UPN is available online at http://www.faa.gov/aircraft/safety/programs/sups/upn/media/2014/UPN_2014-20130611002.pdf.

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