information issued by a manufacturer that details maintenance procedures that will enhance the safety or improve the performance of the product
the document used by manufacturers of aircraft, their engines or their components to communicate details of modifications which can be embodied in aircraft
Это интересно
Valdkond ICAO lisade põhjal loodud klassifikaatori järgi: Lennukõlblikkus
Any information in Block 9 does not constitute authority to fit the item to a particular aircraft, engine, propeller or auxiliary power unit. The User/installer shall confirm via documents such as the Parts Catalogue, Service Bulletins, etc. that the item is eligible for the particular installation.
