As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DECREASING DURING FLIGHT, HYD SYSTEM OFF IN FLIGHT. MANUAL EXTENSION./ SERVICED HYDRAULIC SYSTEM NO 3 IAW CRJ700 AMM 12-12-29-611-802-A01.PRESSURIZED HYDRAULIC SYSTEM NO 3 IAW CRJ700 AMM 12-00-06-862-803, FOUND LOOSE B- NUT ON THE SELECTOR VALVE PRESSURE LINE. SECURED PROPERLY AND PERFORMED SATISFACTORY OPERATIONAL TEST AND NO LEAK NOTED IAW CRJ700 AMM 29-10-00-710-802-A01