"common report" is a perfectly acceptable phrase in written English.
You could use it to refer to something that is widely known and talked about, e.g. "It is common report that the new mayor has a checkered past."
The most common report tracks patients follow up visits and scheduling.
The most common report was that he had been seen with an Iraqi diplomat, Ahmed Khalil Ibrahim Samir al-Ani.
The most common report until now was that 24 Yiddish writers and poets were executed after secret trials in the spring and summer of 1952.
Uncertainties in risk assessment will often result in even larger uncertainties in the subsequent economic assessments (see for instance the common report of the EC Scientific Committees: SCCS, SCENIHR & SCHER 2013, p. 8).
In the palazzetto,º or summer-house belonging to the Palazzo Rospigliosi, I had the satisfaction of contemplating the Aurora of Guido, the colours of which still remain in high perfection, notwithstanding the common report that the piece is spoiled by the dampness of the apartment.
But by far the most common report has been from anonymous individuals.
The second most common reported malignancy was breast cancer (59 cases, 13% of all reported malignancies).
Common sleep problems: Excessive fatigue during the day and taking too long to fall asleep were most common reported issues.
The most common reported increase was $100 a year.
They signed up to a common reporting standard for multinational companies, that didn't happen before.
The most common reported complication with bioabsorbable pins is a reactive synovitis.
