Philips Brilliance iCT SP Computed Tomography X-Ray System; Model # 728311
The bolt affixing the cooling unit to the rotor was not tightened to specification on the Philips Brilliance iCT systems.
Worldwide distribution including one unit distributed to Iowa.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=Z-1922-2020