"first hand reported" is correct and usable in written English.
You can use it when you are referring to something that you have firsthand knowledge of (i.e. something you yourself have seen or experienced). For example, "The news of the accident was first hand reported by an eyewitness."
Iran expelled many foreign reporters and put others under house arrest, making first hand reporting more difficult.
We're in control of the Guardian's Instagram account this week, bringing you first hand reporting from our correspondents and our pick of the Instagrammers who know the continent best.
The site says that it accepts "classified, censored or otherwise restricted material of political, diplomatic or ethical significance" but does not take "rumour, opinion or other kinds of first hand reporting or material that is already publicly available".
WikiLeaks does not accept rumour, opinion, or other kinds of first hand reporting or material that is already publicly available.
9to5Mac, which generally has reliable information for first-hand reported rumors, revealed today a couple of details about Apple's next big mobile OS, which should bring significant changes for Maps.
The result – despite the often heroic efforts of editors and their staffs to maintain quality – has been a decline in the capacity of the local press to maintain what had always been its raison d'être – first hand reporting and analysis of local events.
First Hand Reports on WWDC's Leopard 9A466 [MacRumors].
People are giving first hand reports of what they're seeing directly on Twitter.
The United States' reluctance is somewhat ironic because it was the first hand reports of U.S. diplomats that brought the genocide to light in the first place.
With first hand reports of job losses, house foreclosures and citizens living on credit card debt, the impact of the crisis on the individual worker in the developed world is clear.
This reflects poorly on a newspaper that prides itself on putting journalists on the ground in various warzones to do first hand reporting, instead of doing hack job writing from the safety of their desks in New York.
