As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYD 3 LOW PRESS CAUTION MSG., HYD 3 QTY AT 0% WITH 0 PSI. FOUND LEAK COMING FROM HYD SYS #3 BOOTSTRAP BALANCE RELEIF VALVE. REMOVED AND REPLACED VALVE IAW CRJ AMM 29-12-05. SERVICED HYD SYS #3 IAW CRJ AMM 12-12-29. NO LEAKS NOTED. FUNCTIONAL TEST OK.