As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLL-DCA-FLT 1712 - CREW RECEIVED A GREEN HYDRAULIC SYSTEM LOW MESSAGE. CREW DIVERTED TO BWI. AS A PRECAUTION, CREW DECLARED AN EMERGENCY. THE LANDING WAS UNEVENTFUL. CREW WAS ABLE TO EXIT THE RUNWAY BY DIFFERENTIAL BRAKING. ACFT WAS TOWED TO THE GATE. MX REPLACED CRACKED LT CASE HYDRAULIC LINE AND CASE DRAIN FILTER. OPERATIONAL TEST WAS GOOD. ACFT WAS RETURNED TO SERVICE. (S)