41 CFR 102-33.330 - What must we do with aircraft parts that are excess to our needs?
If aircraft parts are excess to your needs, you must:
(b) Report the excess parts to GSA, using Standard Form (SF) 120, “Report of Excess Personal Property” (see § 102-2.135 for information to obtain this form). When reporting excess FSCAP, you must include the manufacturer's name, date of manufacture, part number, serial number, and the appropriate Criticality Code on the SF 120. For information on reporting excess property, refer to http://gsaxcess.gov. (See 41 CFR part 102-36 regarding disposal of excess property.)