Up to you of course, but see below.
REGULATIONS
COMMISSION IMPLEMENTING REGULATION (EU) 2015/1018
of 29 June 2015
laying down a list classifying occurrences in civil aviation to be mandatorily reported according to
Regulation (EU) No 376/2014 of the European Parliament and of the Council
2. TECHNICAL OCCURRENCES
2.1. Structure and systems
(6) Malfunction or defect of any indication system when this results in misleading indications to the crew.
Here is the place to make the report.