In general missing luggage claims are handled by an international service. On the receipt you did get at FLR when you reported the missing bag should be a file number and an internet address where you can check the status of your case.
This is the AirBerlin luggage tracing service. if you luggage is not found after five days you can contact them. So in your case you should write them an email
Sollte Ihr vermisstes Gepäck trotzt intensiver Suche nach 5 Tagen nicht gefunden worden sein, so nehmen Sie bitte Kontakt zu unserem Partner Baggage Express auf.
Baggage Express GmbH
Gepäckermittlungszentrale
Gartenstr. 52
12529 Schönefeld
Germany
Fax: 030 2016 32 827
E-Mail:
[email protected]
In addition use this URL to check the status of your claim:
WorldTracer baggage claim Service