Fargoo,
The EASA Form 1 has changed* and must be used from 28/09/10. "Eligibility" under Block 9 has been removed and the blocks renumbered. Block 11 (as from 28/09/10) has reduced terms to:
- Inspected/tested
- Repaired
- Overhauled
It is very important that you pay attention to Block 12 (nearly formerly Block 13) and the references to work recorded there. If you are getting used/repaired parts from the US (8130-3) or Canada (TCA Form One) check for dual release if fitting to EU commercial or large aircraft under Part 145.
Also, with regard to the information in the certification block 14a, it is very important to note that the form relates to work requested/specified. For example, you could receive a Form 1 for NDT work on a part and that Form 1 will state for the work specified it is released to service but the part could be otherwise unserviceable.
Be careful too with regard to Forms 1 issued under Subpart F: they are identical to those issued under 145 but must have a Part M release in Block 12 and are not acceptable under Part 145.
Bear in mind Forms 1 for new parts are issued under Part 21.
US manufacturers can also issue an FAA 8130-3 for Newly Overhauled items.
* But those issued before that date are valid, of course.