Plaintiff had booked a round trip flight from Frankfurt to Antigua. The return flight started on time and had a scheduled stopover in Punta Cana. From there the aircraft started on time as well but due to a technical problem - the landing gear could not be retracted - had to return to Punta Cana airport from where it could only depart again 24 hrs later.
Plaintiff filed a law suit claiming compensation pursuant to Reg. 261/2004. Court of first instance granted the claim. Upon defendant's appeal, the appelate court (LG Frankfurt am Main) referred the following questions to the ECJ